Finding the Fourth Proportional to 131,832.48, 181,927.72 and 71,401.72

Step by Step Solution

1. Step 1: Write the proportion equation
   131,832.48 : 181,927.72 = 71,401.72 : x
2. Step 2: Convert to fraction form
   131,832.48/181,927.72 = 71,401.72/x
3. Step 3: Cross multiply
   131,832.48x = 181,927.72 × 71,401.72
4. Step 4: Simplify right side
   131,832.48x = 12,989,952,123.68
5. Step 5: Solve for x
   x = 12,989,952,123.68/131,832.48
6. Step 6: Final answer
   x = 98,533.78