We're dividing 8742233 by 621 
We're looking to find how many times 621 goes into 8742233.

Advancing to step 1:
8 divided by 621 is 0 with a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Take the next digit (7) from the dividend and append it to 8, then repeat: 87 / 621

Going ahead to step 2:
87 divided by 621 is 0 with a remainder of 87.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 87 after subtracting 0 from 87.
Bring next digit (4) of the dividend behind the 87 and repeat the process: 874 / 621

Going ahead to step 3:
When dividing 874 by 621, we get 1 with a remainder of 253.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtracting 621 from 874 leaves us with 253.
Grab the next digit (2) from the dividend, add it to 253, then carry on: 2532 / 621

Step 4:
621 goes into 2532 4 times with a remainder of 48.
Use 4 as the next digit of our solution. 
Result so far: 14.0
The remainder is 48 after subtracting 2484 from 2532.
Fetch the next digit (2) from the dividend, attach it to 48 and continue: 482 / 621

Moving on to step 5:
The number 621 fits into 482 0 times, leaving a remainder of 482.
Use 0 as the next digit of our solution. 
Result so far: 140.0
The remainder is 482 after subtracting 0 from 482.
Include the next digit (3) from the dividend after 482, then repeat: 4823 / 621

Let's proceed to step 6:
If we divide 4823 by 621, we get 7 and a remainder of 476.
Use 7 as the next digit of our solution. 
Result so far: 1407.0
If we take 4347 away from 4823, we end up with 476.
Bring next digit (3) of the dividend behind the 476 and repeat the process: 4763 / 621

Moving on to step 7:
The number 621 fits into 4763 7 times, leaving a remainder of 416.
Put 7 as the next digit of the answer. 
Result so far: 14077.0
The remainder is 416 after subtracting 4347 from 4763.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4160, and continue the process.

Going ahead to step 8:
When dividing 4160 by 621, we get 6 with a remainder of 434.
Record the quotient 6 as the next digit in the result. 
Result so far: 14077.6
Subtracting 3726 from 4160 leaves us with 434.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4340, and continue the process.

Moving on to step 9:
621 can be fit into 4340 6 times, resulting in a remainder of 614.
Write down 6 as next digit of the result. 
Result so far: 14077.66
The remainder is 614 after subtracting 3726 from 4340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6140, and continue the process.

In conclusion, the division gives 14077.66 with a balance of 0.614.