Finding the Fourth Proportional to 72,294.88, 99,766.83 and 40,469.89

Step by Step Solution

1. Step 1: Write the proportion equation
   72,294.88 : 99,766.83 = 40,469.89 : x
2. Step 2: Convert to fraction form
   72,294.88/99,766.83 = 40,469.89/x
3. Step 3: Cross multiply
   72,294.88x = 99,766.83 × 40,469.89
4. Step 4: Simplify right side
   72,294.88x = 4,037,552,635.75
5. Step 5: Solve for x
   x = 4,037,552,635.75/72,294.88
6. Step 6: Final answer
   x = 55,848.39