Finding the Fourth Proportional to 17,685.04, 24,404.80 and 9,726.49

Step by Step Solution

1. Step 1: Write the proportion equation
   17,685.04 : 24,404.80 = 9,726.49 : x
2. Step 2: Convert to fraction form
   17,685.04/24,404.80 = 9,726.49/x
3. Step 3: Cross multiply
   17,685.04x = 24,404.80 × 9,726.49
4. Step 4: Simplify right side
   17,685.04x = 237,373,043.15
5. Step 5: Solve for x
   x = 237,373,043.15/17,685.04
6. Step 6: Final answer
   x = 13,422.25