Finding the Fourth Proportional to 72,294.86, 99,766.89 and 40,463.76

Step by Step Solution

1. Step 1: Write the proportion equation
   72,294.86 : 99,766.89 = 40,463.76 : x
2. Step 2: Convert to fraction form
   72,294.86/99,766.89 = 40,463.76/x
3. Step 3: Cross multiply
   72,294.86x = 99,766.89 × 40,463.76
4. Step 4: Simplify right side
   72,294.86x = 4,036,943,492.91
5. Step 5: Solve for x
   x = 4,036,943,492.91/72,294.86
6. Step 6: Final answer
   x = 55,839.98