Finding the Fourth Proportional to 16,717.59, 23,070.17 and 9,164.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,717.59 : 23,070.17 = 9,164.24 : x
2. Step 2: Convert to fraction form
   16,717.59/23,070.17 = 9,164.24/x
3. Step 3: Cross multiply
   16,717.59x = 23,070.17 × 9,164.24
4. Step 4: Simplify right side
   16,717.59x = 211,420,568.79
5. Step 5: Solve for x
   x = 211,420,568.79/16,717.59
6. Step 6: Final answer
   x = 12,646.59