Finding the Fourth Proportional to 124,831.50, 172,229.76 and 73,850.10

Step by Step Solution

1. Step 1: Write the proportion equation
   124,831.50 : 172,229.76 = 73,850.10 : x
2. Step 2: Convert to fraction form
   124,831.50/172,229.76 = 73,850.10/x
3. Step 3: Cross multiply
   124,831.50x = 172,229.76 × 73,850.10
4. Step 4: Simplify right side
   124,831.50x = 12,719,184,998.98
5. Step 5: Solve for x
   x = 12,719,184,998.98/124,831.50
6. Step 6: Final answer
   x = 101,890.83