Finding the Fourth Proportional to 131,808.55, 181,895.98 and 71,379.29

Step by Step Solution

1. Step 1: Write the proportion equation
   131,808.55 : 181,895.98 = 71,379.29 : x
2. Step 2: Convert to fraction form
   131,808.55/181,895.98 = 71,379.29/x
3. Step 3: Cross multiply
   131,808.55x = 181,895.98 × 71,379.29
4. Step 4: Simplify right side
   131,808.55x = 12,983,606,700.07
5. Step 5: Solve for x
   x = 12,983,606,700.07/131,808.55
6. Step 6: Final answer
   x = 98,503.52