Finding the Fourth Proportional to 72,024.70, 99,379.25 and 41,391.89

Step by Step Solution

1. Step 1: Write the proportion equation
   72,024.70 : 99,379.25 = 41,391.89 : x
2. Step 2: Convert to fraction form
   72,024.70/99,379.25 = 41,391.89/x
3. Step 3: Cross multiply
   72,024.70x = 99,379.25 × 41,391.89
4. Step 4: Simplify right side
   72,024.70x = 4,113,494,777.32
5. Step 5: Solve for x
   x = 4,113,494,777.32/72,024.70
6. Step 6: Final answer
   x = 57,112.28