Finding the Fourth Proportional to 87,454.52, 131,209.42 and 31,293.32

Step by Step Solution

1. Step 1: Write the proportion equation
   87,454.52 : 131,209.42 = 31,293.32 : x
2. Step 2: Convert to fraction form
   87,454.52/131,209.42 = 31,293.32/x
3. Step 3: Cross multiply
   87,454.52x = 131,209.42 × 31,293.32
4. Step 4: Simplify right side
   87,454.52x = 4,105,978,367.07
5. Step 5: Solve for x
   x = 4,105,978,367.07/87,454.52
6. Step 6: Final answer
   x = 46,949.87