Finding the Fourth Proportional to 16,716.83, 23,068.89 and 9,163.17

Step by Step Solution

1. Step 1: Write the proportion equation
   16,716.83 : 23,068.89 = 9,163.17 : x
2. Step 2: Convert to fraction form
   16,716.83/23,068.89 = 9,163.17/x
3. Step 3: Cross multiply
   16,716.83x = 23,068.89 × 9,163.17
4. Step 4: Simplify right side
   16,716.83x = 211,384,160.78
5. Step 5: Solve for x
   x = 211,384,160.78/16,716.83
6. Step 6: Final answer
   x = 12,644.99