Finding the Fourth Proportional to 17,665.83, 24,378.35 and 9,708.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,665.83 : 24,378.35 = 9,708.05 : x
2. Step 2: Convert to fraction form
   17,665.83/24,378.35 = 9,708.05/x
3. Step 3: Cross multiply
   17,665.83x = 24,378.35 × 9,708.05
4. Step 4: Simplify right side
   17,665.83x = 236,666,070.29
5. Step 5: Solve for x
   x = 236,666,070.29/17,665.83
6. Step 6: Final answer
   x = 13,396.83