Finding the Fourth Proportional to 17,665.65, 24,378.81 and 9,707.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,665.65 : 24,378.81 = 9,707.82 : x
2. Step 2: Convert to fraction form
   17,665.65/24,378.81 = 9,707.82/x
3. Step 3: Cross multiply
   17,665.65x = 24,378.81 × 9,707.82
4. Step 4: Simplify right side
   17,665.65x = 236,665,099.29
5. Step 5: Solve for x
   x = 236,665,099.29/17,665.65
6. Step 6: Final answer
   x = 13,396.91