Finding the Fourth Proportional to 90,115.86, 124,375.32 and 52,411.98

Step by Step Solution

1. Step 1: Write the proportion equation
   90,115.86 : 124,375.32 = 52,411.98 : x
2. Step 2: Convert to fraction form
   90,115.86/124,375.32 = 52,411.98/x
3. Step 3: Cross multiply
   90,115.86x = 124,375.32 × 52,411.98
4. Step 4: Simplify right side
   90,115.86x = 6,518,756,784.33
5. Step 5: Solve for x
   x = 6,518,756,784.33/90,115.86
6. Step 6: Final answer
   x = 72,337.51