Finding the Fourth Proportional to 71,149.59, 106,739.78 and 37,864.78

Step by Step Solution

1. Step 1: Write the proportion equation
   71,149.59 : 106,739.78 = 37,864.78 : x
2. Step 2: Convert to fraction form
   71,149.59/106,739.78 = 37,864.78/x
3. Step 3: Cross multiply
   71,149.59x = 106,739.78 × 37,864.78
4. Step 4: Simplify right side
   71,149.59x = 4,041,677,830.78
5. Step 5: Solve for x
   x = 4,041,677,830.78/71,149.59
6. Step 6: Final answer
   x = 56,805.36