We look at the division of 185491 by 21 
We're looking to find how many times 21 goes into 185491.

Going ahead to step 1:
21 can be fit into 1 0 times, resulting in a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Append the next digit (8) from the dividend to 1 and continue with: 18 / 21

Advancing to step 2:
21 can be fit into 18 0 times, resulting in a remainder of 18.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 18, we get 18.
Take the next digit (5) from the dividend and append it to 18, then repeat: 185 / 21

Advancing to step 3:
The number 21 fits into 185 8 times, leaving a remainder of 17.
Write down 8 as next digit of the result. 
Result so far: 8.0
Subtract 168 from 185 to get 17.
Fetch the next digit (4) from the dividend, attach it to 17 and continue: 174 / 21

Moving on to step 4:
174 divided by 21 is 8 with a remainder of 6.
The number 8 becomes the next digit in our result. 
Result so far: 88.0
If we take 168 away from 174, we end up with 6.
Include the next digit (9) from the dividend after 6, then repeat: 69 / 21

Advancing to step 5:
21 goes into 69 3 times with a remainder of 6.
The number 3 becomes the next digit in our result. 
Result so far: 883.0
If we subtract 63 from 69, we get 6.
Bring next digit (1) of the dividend behind the 6 and repeat the process: 61 / 21

Let's proceed to step 6:
21 can be fit into 61 2 times, resulting in a remainder of 19.
Put 2 as the next digit of the answer. 
Result so far: 8832.0
The remainder is 19 after subtracting 42 from 61.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

On to step 7:
21 goes into 190 9 times with a remainder of 1.
Record the quotient 9 as the next digit in the result. 
Result so far: 8832.9
Deduct 189 from 190 and we're left with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Moving on to step 8:
10 divided by 21 is 0 with a remainder of 10.
The next digit of our result is 0. 
Result so far: 8832.9
Subtracting 0 from 10 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

On to step 9:
When dividing 100 by 21, we get 4 with a remainder of 16.
Use 4 as the next digit of our solution. 
Result so far: 8832.904
The remainder is 16 after subtracting 84 from 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Let's proceed to step 10:
160 divided by 21 is 7 with a remainder of 13.
Use 7 as the next digit of our solution. 
Result so far: 8832.9047
If we take 147 away from 160, we end up with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Let's proceed to step 11:
The number 21 fits into 130 6 times, leaving a remainder of 4.
Record the quotient 6 as the next digit in the result. 
Result so far: 8832.90476
The remainder is 4 after subtracting 126 from 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 12:
If we divide 40 by 21, we get 1 and a remainder of 19.
Write down 1 as next digit of the result. 
Result so far: 8832.904761
The remainder is 19 after subtracting 21 from 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Advancing to step 13:
When dividing 190 by 21, we get 9 with a remainder of 1.
Record the quotient 9 as the next digit in the result. 
Result so far: 8832.9047619
If we subtract 189 from 190, we get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Let's proceed to step 14:
If we divide 10 by 21, we get 0 and a remainder of 10.
The number 0 becomes the next digit in our result. 
Result so far: 8832.9047619
If we take 0 away from 10, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

The final outcome is 8832.9047619, with a leftover of 1e-08.