Alright, let's solve this problem step by step. We have 4522 and 1207 and we're adding them together.

Step 1: We'll start by adding the digits 2 & 7 in column 1 and get 9.

Step 2: We'll start by adding the digits 2 & 0 in column 2 and get 2.

Step 3: We'll start by adding the digits 5 & 2 in column 3 and get 7.

Step 4: We'll start by adding the digits 4 & 1 in column 4 and get 5.

So, 4522 + 1207 = 5729.

