Finding the Fourth Proportional to 17,647.32, 24,353.72 and 9,690.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,647.32 : 24,353.72 = 9,690.12 : x
2. Step 2: Convert to fraction form
   17,647.32/24,353.72 = 9,690.12/x
3. Step 3: Cross multiply
   17,647.32x = 24,353.72 × 9,690.12
4. Step 4: Simplify right side
   17,647.32x = 235,990,469.25
5. Step 5: Solve for x
   x = 235,990,469.25/17,647.32
6. Step 6: Final answer
   x = 13,372.60