Finding the Fourth Proportional to 124,300.50, 171,534.72 and 67,711.86

Step by Step Solution

1. Step 1: Write the proportion equation
   124,300.50 : 171,534.72 = 67,711.86 : x
2. Step 2: Convert to fraction form
   124,300.50/171,534.72 = 67,711.86/x
3. Step 3: Cross multiply
   124,300.50x = 171,534.72 × 67,711.86
4. Step 4: Simplify right side
   124,300.50x = 11,614,934,945.78
5. Step 5: Solve for x
   x = 11,614,934,945.78/124,300.50
6. Step 6: Final answer
   x = 93,442.38