Finding the Fourth Proportional to 31,499.20, 43,468.41 and 17,352.55

Step by Step Solution

1. Step 1: Write the proportion equation
   31,499.20 : 43,468.41 = 17,352.55 : x
2. Step 2: Convert to fraction form
   31,499.20/43,468.41 = 17,352.55/x
3. Step 3: Cross multiply
   31,499.20x = 43,468.41 × 17,352.55
4. Step 4: Simplify right side
   31,499.20x = 754,287,757.95
5. Step 5: Solve for x
   x = 754,287,757.95/31,499.20
6. Step 6: Final answer
   x = 23,946.25