Finding the Fourth Proportional to 72,426.72, 99,951.60 and 40,596.24

Step by Step Solution

1. Step 1: Write the proportion equation
   72,426.72 : 99,951.60 = 40,596.24 : x
2. Step 2: Convert to fraction form
   72,426.72/99,951.60 = 40,596.24/x
3. Step 3: Cross multiply
   72,426.72x = 99,951.60 × 40,596.24
4. Step 4: Simplify right side
   72,426.72x = 4,057,659,141.98
5. Step 5: Solve for x
   x = 4,057,659,141.98/72,426.72
6. Step 6: Final answer
   x = 56,024.34