Finding the Fourth Proportional to 17,666.96, 24,379.89 and 9,709.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,666.96 : 24,379.89 = 9,709.17 : x
2. Step 2: Convert to fraction form
   17,666.96/24,379.89 = 9,709.17/x
3. Step 3: Cross multiply
   17,666.96x = 24,379.89 × 9,709.17
4. Step 4: Simplify right side
   17,666.96x = 236,708,496.59
5. Step 5: Solve for x
   x = 236,708,496.59/17,666.96
6. Step 6: Final answer
   x = 13,398.38