Finding the Fourth Proportional to 10,708.29, 16,038.67 and 8,224.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,708.29 : 16,038.67 = 8,224.83 : x
2. Step 2: Convert to fraction form
   10,708.29/16,038.67 = 8,224.83/x
3. Step 3: Cross multiply
   10,708.29x = 16,038.67 × 8,224.83
4. Step 4: Simplify right side
   10,708.29x = 131,915,334.18
5. Step 5: Solve for x
   x = 131,915,334.18/10,708.29
6. Step 6: Final answer
   x = 12,318.99