Finding the Fourth Proportional to 131,719.76, 181,773.52 and 71,290.52

Step by Step Solution

1. Step 1: Write the proportion equation
   131,719.76 : 181,773.52 = 71,290.52 : x
2. Step 2: Convert to fraction form
   131,719.76/181,773.52 = 71,290.52/x
3. Step 3: Cross multiply
   131,719.76x = 181,773.52 × 71,290.52
4. Step 4: Simplify right side
   131,719.76x = 12,958,728,763.03
5. Step 5: Solve for x
   x = 12,958,728,763.03/131,719.76
6. Step 6: Final answer
   x = 98,381.05