Finding the Fourth Proportional to 114,932.72, 158,517.16 and 78,655.64

Step by Step Solution

1. Step 1: Write the proportion equation
   114,932.72 : 158,517.16 = 78,655.64 : x
2. Step 2: Convert to fraction form
   114,932.72/158,517.16 = 78,655.64/x
3. Step 3: Cross multiply
   114,932.72x = 158,517.16 × 78,655.64
4. Step 4: Simplify right side
   114,932.72x = 12,468,268,670.78
5. Step 5: Solve for x
   x = 12,468,268,670.78/114,932.72
6. Step 6: Final answer
   x = 108,483.19