Finding the Fourth Proportional to 131,831.58, 181,927.22 and 71,401.98

Step by Step Solution

1. Step 1: Write the proportion equation
   131,831.58 : 181,927.22 = 71,401.98 : x
2. Step 2: Convert to fraction form
   131,831.58/181,927.22 = 71,401.98/x
3. Step 3: Cross multiply
   131,831.58x = 181,927.22 × 71,401.98
4. Step 4: Simplify right side
   131,831.58x = 12,989,963,723.90
5. Step 5: Solve for x
   x = 12,989,963,723.90/131,831.58
6. Step 6: Final answer
   x = 98,534.54