18877 ÷ 4 = 4719 R1
We're going to perform division on 18877 with 4 as the divisor.

Step 1:
4 goes into 1 0 times with a remainder of 1.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 1 to get 1.
Bring next digit (8) of the dividend behind the 1 and repeat the process: 18 / 4

Step 2:
4 goes into 18 4 times with a remainder of 2.
Write down 4 as next digit of of the result. 
Result so far: 4
Subtract 16 from 18 to get 2.
Bring next digit (8) of the dividend behind the 2 and repeat the process: 28 / 4

Step 3:
4 goes into 28 7 times with a remainder of 0.
Write down 7 as next digit of of the result. 
Result so far: 47
Subtract 28 from 28 to get 0.
Bring next digit (7) of the dividend behind the 0 and repeat the process: 7 / 4

Step 4:
4 goes into 7 1 times with a remainder of 3.
Write down 1 as next digit of of the result. 
Result so far: 471
Subtract 4 from 7 to get 3.
Bring next digit (7) of the dividend behind the 3 and repeat the process: 37 / 4

Step 5:
4 goes into 37 9 times with a remainder of 1.
Write down 9 as next digit of of the result. 
Result so far: 4719
Subtract 36 from 37 to get 1.

The final result is 4719 with a remainder of 1.