Finding the Fourth Proportional to 17,648.79, 24,355.35 and 9,691.53

Step by Step Solution

1. Step 1: Write the proportion equation
   17,648.79 : 24,355.35 = 9,691.53 : x
2. Step 2: Convert to fraction form
   17,648.79/24,355.35 = 9,691.53/x
3. Step 3: Cross multiply
   17,648.79x = 24,355.35 × 9,691.53
4. Step 4: Simplify right side
   17,648.79x = 236,040,605.19
5. Step 5: Solve for x
   x = 236,040,605.19/17,648.79
6. Step 6: Final answer
   x = 13,374.32