Finding the Fourth Proportional to 72,434.94, 99,964.42 and 40,614.08

Step by Step Solution

1. Step 1: Write the proportion equation
   72,434.94 : 99,964.42 = 40,614.08 : x
2. Step 2: Convert to fraction form
   72,434.94/99,964.42 = 40,614.08/x
3. Step 3: Cross multiply
   72,434.94x = 99,964.42 × 40,614.08
4. Step 4: Simplify right side
   72,434.94x = 4,059,962,951.03
5. Step 5: Solve for x
   x = 4,059,962,951.03/72,434.94
6. Step 6: Final answer
   x = 56,049.79