Finding the Fourth Proportional to 86,398.71, 129,410.55 and 41,932.02

Step by Step Solution

1. Step 1: Write the proportion equation
   86,398.71 : 129,410.55 = 41,932.02 : x
2. Step 2: Convert to fraction form
   86,398.71/129,410.55 = 41,932.02/x
3. Step 3: Cross multiply
   86,398.71x = 129,410.55 × 41,932.02
4. Step 4: Simplify right side
   86,398.71x = 5,426,445,770.81
5. Step 5: Solve for x
   x = 5,426,445,770.81/86,398.71
6. Step 6: Final answer
   x = 62,807.02