Finding the Fourth Proportional to 17,648.80, 24,355.28 and 9,690.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,648.80 : 24,355.28 = 9,690.82 : x
2. Step 2: Convert to fraction form
   17,648.80/24,355.28 = 9,690.82/x
3. Step 3: Cross multiply
   17,648.80x = 24,355.28 × 9,690.82
4. Step 4: Simplify right side
   17,648.80x = 236,022,634.53
5. Step 5: Solve for x
   x = 236,022,634.53/17,648.80
6. Step 6: Final answer
   x = 13,373.30