Finding the Fourth Proportional to 73,112.50, 109,703.61 and 39,831.83

Step by Step Solution

1. Step 1: Write the proportion equation
   73,112.50 : 109,703.61 = 39,831.83 : x
2. Step 2: Convert to fraction form
   73,112.50/109,703.61 = 39,831.83/x
3. Step 3: Cross multiply
   73,112.50x = 109,703.61 × 39,831.83
4. Step 4: Simplify right side
   73,112.50x = 4,369,694,796.23
5. Step 5: Solve for x
   x = 4,369,694,796.23/73,112.50
6. Step 6: Final answer
   x = 59,766.73