Finding the Fourth Proportional to 78,831.94, 108,787.38 and 43,020.76

Step by Step Solution

1. Step 1: Write the proportion equation
   78,831.94 : 108,787.38 = 43,020.76 : x
2. Step 2: Convert to fraction form
   78,831.94/108,787.38 = 43,020.76/x
3. Step 3: Cross multiply
   78,831.94x = 108,787.38 × 43,020.76
4. Step 4: Simplify right side
   78,831.94x = 4,680,115,766.01
5. Step 5: Solve for x
   x = 4,680,115,766.01/78,831.94
6. Step 6: Final answer
   x = 59,368.27