Finding the Fourth Proportional to 72,292.27, 99,769.58 and 40,460.71

Step by Step Solution

1. Step 1: Write the proportion equation
   72,292.27 : 99,769.58 = 40,460.71 : x
2. Step 2: Convert to fraction form
   72,292.27/99,769.58 = 40,460.71/x
3. Step 3: Cross multiply
   72,292.27x = 99,769.58 × 40,460.71
4. Step 4: Simplify right side
   72,292.27x = 4,036,747,840.90
5. Step 5: Solve for x
   x = 4,036,747,840.90/72,292.27
6. Step 6: Final answer
   x = 55,839.27