Finding the Fourth Proportional to 22,498.02, 31,046.76 and 12,288.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,498.02 : 31,046.76 = 12,288.71 : x
2. Step 2: Convert to fraction form
   22,498.02/31,046.76 = 12,288.71/x
3. Step 3: Cross multiply
   22,498.02x = 31,046.76 × 12,288.71
4. Step 4: Simplify right side
   22,498.02x = 381,524,707.70
5. Step 5: Solve for x
   x = 381,524,707.70/22,498.02
6. Step 6: Final answer
   x = 16,958.15