Finding the Fourth Proportional to 22,497.59, 31,046.17 and 12,288.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,497.59 : 31,046.17 = 12,288.28 : x
2. Step 2: Convert to fraction form
   22,497.59/31,046.17 = 12,288.28/x
3. Step 3: Cross multiply
   22,497.59x = 31,046.17 × 12,288.28
4. Step 4: Simplify right side
   22,497.59x = 381,504,029.89
5. Step 5: Solve for x
   x = 381,504,029.89/22,497.59
6. Step 6: Final answer
   x = 16,957.55