Finding the Fourth Proportional to 131,835.48, 181,932.53 and 71,405.97

Step by Step Solution

1. Step 1: Write the proportion equation
   131,835.48 : 181,932.53 = 71,405.97 : x
2. Step 2: Convert to fraction form
   131,835.48/181,932.53 = 71,405.97/x
3. Step 3: Cross multiply
   131,835.48x = 181,932.53 × 71,405.97
4. Step 4: Simplify right side
   131,835.48x = 12,991,068,422.17
5. Step 5: Solve for x
   x = 12,991,068,422.17/131,835.48
6. Step 6: Final answer
   x = 98,540.00