Finding the Fourth Proportional to 132,042.88, 182,242.46 and 78,357.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,042.88 : 182,242.46 = 78,357.50 : x
2. Step 2: Convert to fraction form
   132,042.88/182,242.46 = 78,357.50/x
3. Step 3: Cross multiply
   132,042.88x = 182,242.46 × 78,357.50
4. Step 4: Simplify right side
   132,042.88x = 14,280,063,559.45
5. Step 5: Solve for x
   x = 14,280,063,559.45/132,042.88
6. Step 6: Final answer
   x = 108,147.17