Finding the Fourth Proportional to 16,708.24, 23,056.50 and 9,153.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,708.24 : 23,056.50 = 9,153.18 : x
2. Step 2: Convert to fraction form
   16,708.24/23,056.50 = 9,153.18/x
3. Step 3: Cross multiply
   16,708.24x = 23,056.50 × 9,153.18
4. Step 4: Simplify right side
   16,708.24x = 211,040,294.67
5. Step 5: Solve for x
   x = 211,040,294.67/16,708.24
6. Step 6: Final answer
   x = 12,630.91