Finding the Fourth Proportional to 131,874.92, 181,987.43 and 71,445.98

Step by Step Solution

1. Step 1: Write the proportion equation
   131,874.92 : 181,987.43 = 71,445.98 : x
2. Step 2: Convert to fraction form
   131,874.92/181,987.43 = 71,445.98/x
3. Step 3: Cross multiply
   131,874.92x = 181,987.43 × 71,445.98
4. Step 4: Simplify right side
   131,874.92x = 13,002,269,016.86
5. Step 5: Solve for x
   x = 13,002,269,016.86/131,874.92
6. Step 6: Final answer
   x = 98,595.47