Finding the Fourth Proportional to 131,234.98, 181,104.22 and 71,618.98

Step by Step Solution

1. Step 1: Write the proportion equation
   131,234.98 : 181,104.22 = 71,618.98 : x
2. Step 2: Convert to fraction form
   131,234.98/181,104.22 = 71,618.98/x
3. Step 3: Cross multiply
   131,234.98x = 181,104.22 × 71,618.98
4. Step 4: Simplify right side
   131,234.98x = 12,970,499,510.10
5. Step 5: Solve for x
   x = 12,970,499,510.10/131,234.98
6. Step 6: Final answer
   x = 98,834.16