Finding the Fourth Proportional to 131,875.26, 181,987.59 and 71,447.43

Step by Step Solution

1. Step 1: Write the proportion equation
   131,875.26 : 181,987.59 = 71,447.43 : x
2. Step 2: Convert to fraction form
   131,875.26/181,987.59 = 71,447.43/x
3. Step 3: Cross multiply
   131,875.26x = 181,987.59 × 71,447.43
4. Step 4: Simplify right side
   131,875.26x = 13,002,546,547.78
5. Step 5: Solve for x
   x = 13,002,546,547.78/131,875.26
6. Step 6: Final answer
   x = 98,597.32