Finding the Fourth Proportional to 17,666.83, 24,380.15 and 9,709.39

Step by Step Solution

1. Step 1: Write the proportion equation
   17,666.83 : 24,380.15 = 9,709.39 : x
2. Step 2: Convert to fraction form
   17,666.83/24,380.15 = 9,709.39/x
3. Step 3: Cross multiply
   17,666.83x = 24,380.15 × 9,709.39
4. Step 4: Simplify right side
   17,666.83x = 236,716,384.61
5. Step 5: Solve for x
   x = 236,716,384.61/17,666.83
6. Step 6: Final answer
   x = 13,398.92