Finding the Fourth Proportional to 131,842.52, 181,942.98 and 71,412.92

Step by Step Solution

1. Step 1: Write the proportion equation
   131,842.52 : 181,942.98 = 71,412.92 : x
2. Step 2: Convert to fraction form
   131,842.52/181,942.98 = 71,412.92/x
3. Step 3: Cross multiply
   131,842.52x = 181,942.98 × 71,412.92
4. Step 4: Simplify right side
   131,842.52x = 12,993,079,475.30
5. Step 5: Solve for x
   x = 12,993,079,475.30/131,842.52
6. Step 6: Final answer
   x = 98,549.99