Finding the Fourth Proportional to 132,128.52, 182,336.42 and 71,697.60

Step by Step Solution

1. Step 1: Write the proportion equation
   132,128.52 : 182,336.42 = 71,697.60 : x
2. Step 2: Convert to fraction form
   132,128.52/182,336.42 = 71,697.60/x
3. Step 3: Cross multiply
   132,128.52x = 182,336.42 × 71,697.60
4. Step 4: Simplify right side
   132,128.52x = 13,073,083,348.10
5. Step 5: Solve for x
   x = 13,073,083,348.10/132,128.52
6. Step 6: Final answer
   x = 98,942.18