Finding the Fourth Proportional to 71,906.97, 99,235.00 and 40,076.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,906.97 : 99,235.00 = 40,076.10 : x
2. Step 2: Convert to fraction form
   71,906.97/99,235.00 = 40,076.10/x
3. Step 3: Cross multiply
   71,906.97x = 99,235.00 × 40,076.10
4. Step 4: Simplify right side
   71,906.97x = 3,976,951,180.57
5. Step 5: Solve for x
   x = 3,976,951,180.57/71,906.97
6. Step 6: Final answer
   x = 55,306.89