Finding the Fourth Proportional to 62,710.86, 86,329.96 and 54,329.39

Step by Step Solution

1. Step 1: Write the proportion equation
   62,710.86 : 86,329.96 = 54,329.39 : x
2. Step 2: Convert to fraction form
   62,710.86/86,329.96 = 54,329.39/x
3. Step 3: Cross multiply
   62,710.86x = 86,329.96 × 54,329.39
4. Step 4: Simplify right side
   62,710.86x = 4,690,253,498.05
5. Step 5: Solve for x
   x = 4,690,253,498.05/62,710.86
6. Step 6: Final answer
   x = 74,791.73