Finding the Fourth Proportional to 16,716.38, 23,068.80 and 9,644.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,716.38 : 23,068.80 = 9,644.27 : x
2. Step 2: Convert to fraction form
   16,716.38/23,068.80 = 9,644.27/x
3. Step 3: Cross multiply
   16,716.38x = 23,068.80 × 9,644.27
4. Step 4: Simplify right side
   16,716.38x = 222,481,620.43
5. Step 5: Solve for x
   x = 222,481,620.43/16,716.38
6. Step 6: Final answer
   x = 13,309.20