Finding the Fourth Proportional to 72,234.83, 99,684.32 and 40,401.69

Step by Step Solution

1. Step 1: Write the proportion equation
   72,234.83 : 99,684.32 = 40,401.69 : x
2. Step 2: Convert to fraction form
   72,234.83/99,684.32 = 40,401.69/x
3. Step 3: Cross multiply
   72,234.83x = 99,684.32 × 40,401.69
4. Step 4: Simplify right side
   72,234.83x = 4,027,414,792.49
5. Step 5: Solve for x
   x = 4,027,414,792.49/72,234.83
6. Step 6: Final answer
   x = 55,754.48