Finding the Fourth Proportional to 87,397.99, 131,002.80 and 42,323.92

Step by Step Solution

1. Step 1: Write the proportion equation
   87,397.99 : 131,002.80 = 42,323.92 : x
2. Step 2: Convert to fraction form
   87,397.99/131,002.80 = 42,323.92/x
3. Step 3: Cross multiply
   87,397.99x = 131,002.80 × 42,323.92
4. Step 4: Simplify right side
   87,397.99x = 5,544,552,515.72
5. Step 5: Solve for x
   x = 5,544,552,515.72/87,397.99
6. Step 6: Final answer
   x = 63,440.27