Finding the Fourth Proportional to 131,875.92, 181,988.81 and 71,446.98

Step by Step Solution

1. Step 1: Write the proportion equation
   131,875.92 : 181,988.81 = 71,446.98 : x
2. Step 2: Convert to fraction form
   131,875.92/181,988.81 = 71,446.98/x
3. Step 3: Cross multiply
   131,875.92x = 181,988.81 × 71,446.98
4. Step 4: Simplify right side
   131,875.92x = 13,002,550,868.29
5. Step 5: Solve for x
   x = 13,002,550,868.29/131,875.92
6. Step 6: Final answer
   x = 98,596.85