Finding the Fourth Proportional to 17,665.58, 24,378.94 and 9,708.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,665.58 : 24,378.94 = 9,708.55 : x
2. Step 2: Convert to fraction form
   17,665.58/24,378.94 = 9,708.55/x
3. Step 3: Cross multiply
   17,665.58x = 24,378.94 × 9,708.55
4. Step 4: Simplify right side
   17,665.58x = 236,684,109.13
5. Step 5: Solve for x
   x = 236,684,109.13/17,665.58
6. Step 6: Final answer
   x = 13,398.04