Finding the Fourth Proportional to 17,648.24, 24,354.48 and 9,690.60

Step by Step Solution

1. Step 1: Write the proportion equation
   17,648.24 : 24,354.48 = 9,690.60 : x
2. Step 2: Convert to fraction form
   17,648.24/24,354.48 = 9,690.60/x
3. Step 3: Cross multiply
   17,648.24x = 24,354.48 × 9,690.60
4. Step 4: Simplify right side
   17,648.24x = 236,009,523.89
5. Step 5: Solve for x
   x = 236,009,523.89/17,648.24
6. Step 6: Final answer
   x = 13,372.98