Finding the Fourth Proportional to 131,758.76, 181,825.62 and 71,327.96

Step by Step Solution

1. Step 1: Write the proportion equation
   131,758.76 : 181,825.62 = 71,327.96 : x
2. Step 2: Convert to fraction form
   131,758.76/181,825.62 = 71,327.96/x
3. Step 3: Cross multiply
   131,758.76x = 181,825.62 × 71,327.96
4. Step 4: Simplify right side
   131,758.76x = 12,969,250,550.34
5. Step 5: Solve for x
   x = 12,969,250,550.34/131,758.76
6. Step 6: Final answer
   x = 98,431.79