Finding the Fourth Proportional to 17,645.04, 24,348.71 and 9,686.99

Step by Step Solution

1. Step 1: Write the proportion equation
   17,645.04 : 24,348.71 = 9,686.99 : x
2. Step 2: Convert to fraction form
   17,645.04/24,348.71 = 9,686.99/x
3. Step 3: Cross multiply
   17,645.04x = 24,348.71 × 9,686.99
4. Step 4: Simplify right side
   17,645.04x = 235,865,661.85
5. Step 5: Solve for x
   x = 235,865,661.85/17,645.04
6. Step 6: Final answer
   x = 13,367.25