Finding the Fourth Proportional to 72,294.69, 99,766.65 and 40,463.58

Step by Step Solution

1. Step 1: Write the proportion equation
   72,294.69 : 99,766.65 = 40,463.58 : x
2. Step 2: Convert to fraction form
   72,294.69/99,766.65 = 40,463.58/x
3. Step 3: Cross multiply
   72,294.69x = 99,766.65 × 40,463.58
4. Step 4: Simplify right side
   72,294.69x = 4,036,915,823.61
5. Step 5: Solve for x
   x = 4,036,915,823.61/72,294.69
6. Step 6: Final answer
   x = 55,839.73