Finding the Fourth Proportional to 23,355.10, 32,231.00 and 13,285.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,355.10 : 32,231.00 = 13,285.31 : x
2. Step 2: Convert to fraction form
   23,355.10/32,231.00 = 13,285.31/x
3. Step 3: Cross multiply
   23,355.10x = 32,231.00 × 13,285.31
4. Step 4: Simplify right side
   23,355.10x = 428,198,940.40
5. Step 5: Solve for x
   x = 428,198,940.40/23,355.10
6. Step 6: Final answer
   x = 18,334.28