Finding the Fourth Proportional to 69,132.59, 103,700.86 and 37,557.78

Step by Step Solution

1. Step 1: Write the proportion equation
   69,132.59 : 103,700.86 = 37,557.78 : x
2. Step 2: Convert to fraction form
   69,132.59/103,700.86 = 37,557.78/x
3. Step 3: Cross multiply
   69,132.59x = 103,700.86 × 37,557.78
4. Step 4: Simplify right side
   69,132.59x = 3,894,773,602.92
5. Step 5: Solve for x
   x = 3,894,773,602.92/69,132.59
6. Step 6: Final answer
   x = 56,337.74