Finding the Fourth Proportional to 131,856.09, 181,962.27 and 71,426.73

Step by Step Solution

1. Step 1: Write the proportion equation
   131,856.09 : 181,962.27 = 71,426.73 : x
2. Step 2: Convert to fraction form
   131,856.09/181,962.27 = 71,426.73/x
3. Step 3: Cross multiply
   131,856.09x = 181,962.27 × 71,426.73
4. Step 4: Simplify right side
   131,856.09x = 12,996,969,929.48
5. Step 5: Solve for x
   x = 12,996,969,929.48/131,856.09
6. Step 6: Final answer
   x = 98,569.36