Finding the Fourth Proportional to 17,196.39, 23,731.29 and 9,644.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,196.39 : 23,731.29 = 9,644.40 : x
2. Step 2: Convert to fraction form
   17,196.39/23,731.29 = 9,644.40/x
3. Step 3: Cross multiply
   17,196.39x = 23,731.29 × 9,644.40
4. Step 4: Simplify right side
   17,196.39x = 228,874,053.28
5. Step 5: Solve for x
   x = 228,874,053.28/17,196.39
6. Step 6: Final answer
   x = 13,309.42