Finding the Fourth Proportional to 71,905.04, 99,229.46 and 40,076.00

Step by Step Solution

1. Step 1: Write the proportion equation
   71,905.04 : 99,229.46 = 40,076.00 : x
2. Step 2: Convert to fraction form
   71,905.04/99,229.46 = 40,076.00/x
3. Step 3: Cross multiply
   71,905.04x = 99,229.46 × 40,076.00
4. Step 4: Simplify right side
   71,905.04x = 3,976,719,142.43
5. Step 5: Solve for x
   x = 3,976,719,142.43/71,905.04
6. Step 6: Final answer
   x = 55,305.15