Finding the Fourth Proportional to 131,760.54, 181,828.71 and 71,330.75

Step by Step Solution

1. Step 1: Write the proportion equation
   131,760.54 : 181,828.71 = 71,330.75 : x
2. Step 2: Convert to fraction form
   131,760.54/181,828.71 = 71,330.75/x
3. Step 3: Cross multiply
   131,760.54x = 181,828.71 × 71,330.75
4. Step 4: Simplify right side
   131,760.54x = 12,969,978,255.83
5. Step 5: Solve for x
   x = 12,969,978,255.83/131,760.54
6. Step 6: Final answer
   x = 98,435.98