Finding the Fourth Proportional to 17,665.83, 24,378.77 and 9,708.39

Step by Step Solution

1. Step 1: Write the proportion equation
   17,665.83 : 24,378.77 = 9,708.39 : x
2. Step 2: Convert to fraction form
   17,665.83/24,378.77 = 9,708.39/x
3. Step 3: Cross multiply
   17,665.83x = 24,378.77 × 9,708.39
4. Step 4: Simplify right side
   17,665.83x = 236,678,631.15
5. Step 5: Solve for x
   x = 236,678,631.15/17,665.83
6. Step 6: Final answer
   x = 13,397.54