Finding the Fourth Proportional to 16,616.34, 22,917.59 and 10,648.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,616.34 : 22,917.59 = 10,648.57 : x
2. Step 2: Convert to fraction form
   16,616.34/22,917.59 = 10,648.57/x
3. Step 3: Cross multiply
   16,616.34x = 22,917.59 × 10,648.57
4. Step 4: Simplify right side
   16,616.34x = 244,039,420.14
5. Step 5: Solve for x
   x = 244,039,420.14/16,616.34
6. Step 6: Final answer
   x = 14,686.71