We're dividing 90506057 by 531 
Let's see how many times 531 fits into 90506057.

Advancing to step 1:
9 divided by 531 is 0 with a remainder of 9.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 9 leaves us with 9.
Grab the next digit (0) from the dividend, add it to 9, then carry on: 90 / 531

On to step 2:
90 divided by 531 is 0 with a remainder of 90.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 90, we get 90.
Grab the next digit (5) from the dividend, add it to 90, then carry on: 905 / 531

Advancing to step 3:
905 divided by 531 is 1 with a remainder of 374.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we take 531 away from 905, we end up with 374.
Bring next digit (0) of the dividend behind the 374 and repeat the process: 3740 / 531

Let's proceed to step 4:
If we divide 3740 by 531, we get 7 and a remainder of 23.
The number 7 becomes the next digit in our result. 
Result so far: 17.0
Deduct 3717 from 3740 and we're left with 23.
Take the next digit (6) from the dividend and append it to 23, then repeat: 236 / 531

Advancing to step 5:
The number 531 fits into 236 0 times, leaving a remainder of 236.
The next digit of our result is 0. 
Result so far: 170.0
If we subtract 0 from 236, we get 236.
Take the next digit (0) from the dividend and append it to 236, then repeat: 2360 / 531

Let's proceed to step 6:
If we divide 2360 by 531, we get 4 and a remainder of 236.
Record the quotient 4 as the next digit in the result. 
Result so far: 1704.0
Deduct 2124 from 2360 and we're left with 236.
Grab the next digit (5) from the dividend, add it to 236, then carry on: 2365 / 531

Advancing to step 7:
When dividing 2365 by 531, we get 4 with a remainder of 241.
Use 4 as the next digit of our solution. 
Result so far: 17044.0
Deduct 2124 from 2365 and we're left with 241.
Grab the next digit (7) from the dividend, add it to 241, then carry on: 2417 / 531

On to step 8:
When dividing 2417 by 531, we get 4 with a remainder of 293.
Use 4 as the next digit of our solution. 
Result so far: 170444.0
Subtracting 2124 from 2417 leaves us with 293.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2930, and continue the process.

Advancing to step 9:
531 goes into 2930 5 times with a remainder of 275.
Write down 5 as next digit of the result. 
Result so far: 170444.5
Deduct 2655 from 2930 and we're left with 275.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2750, and continue the process.

Step 10:
If we divide 2750 by 531, we get 5 and a remainder of 95.
Put 5 as the next digit of the answer. 
Result so far: 170444.55
Subtracting 2655 from 2750 leaves us with 95.
Since there are no more digits in the dividend, we add a zero to the remainder making it 950, and continue the process.

After the division, we end up with 170444.55 and a remainder of 0.095.