Alright, let's solve this problem step by step. We have 1184 and 4015 and we're adding them together.

Step 1: We'll start by adding the digits 4 & 5 in column 1 and get 9.

Step 2: We'll start by adding the digits 8 & 1 in column 2 and get 9.

Step 3: We'll start by adding the digits 1 & 0 in column 3 and get 1.

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

So, 1184 + 4015 = 5199.

