Finding the Fourth Proportional to 17,648.18, 24,356.49 and 9,691.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,648.18 : 24,356.49 = 9,691.10 : x
2. Step 2: Convert to fraction form
   17,648.18/24,356.49 = 9,691.10/x
3. Step 3: Cross multiply
   17,648.18x = 24,356.49 × 9,691.10
4. Step 4: Simplify right side
   17,648.18x = 236,041,180.24
5. Step 5: Solve for x
   x = 236,041,180.24/17,648.18
6. Step 6: Final answer
   x = 13,374.82