Finding the Fourth Proportional to 31,539.52, 43,522.54 and 18,101.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,539.52 : 43,522.54 = 18,101.31 : x
2. Step 2: Convert to fraction form
   31,539.52/43,522.54 = 18,101.31/x
3. Step 3: Cross multiply
   31,539.52x = 43,522.54 × 18,101.31
4. Step 4: Simplify right side
   31,539.52x = 787,815,033.78
5. Step 5: Solve for x
   x = 787,815,033.78/31,539.52
6. Step 6: Final answer
   x = 24,978.67