Finding the Fourth Proportional to 16,616.47, 22,917.76 and 10,648.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,616.47 : 22,917.76 = 10,648.69 : x
2. Step 2: Convert to fraction form
   16,616.47/22,917.76 = 10,648.69/x
3. Step 3: Cross multiply
   16,616.47x = 22,917.76 × 10,648.69
4. Step 4: Simplify right side
   16,616.47x = 244,044,121.73
5. Step 5: Solve for x
   x = 244,044,121.73/16,616.47
6. Step 6: Final answer
   x = 14,686.89