Finding the Fourth Proportional to 17,673.96, 24,390.72 and 9,717

Step by Step Solution

1. Step 1: Write the proportion equation
   17,673.96 : 24,390.72 = 9,717 : x
2. Step 2: Convert to fraction form
   17,673.96/24,390.72 = 9,717/x
3. Step 3: Cross multiply
   17,673.96x = 24,390.72 × 9,717
4. Step 4: Simplify right side
   17,673.96x = 237,004,626.24
5. Step 5: Solve for x
   x = 237,004,626.24/17,673.96
6. Step 6: Final answer
   x = 13,409.82