Finding the Fourth Proportional to 17,615.55, 24,309.78 and 9,549.47

Step by Step Solution

1. Step 1: Write the proportion equation
   17,615.55 : 24,309.78 = 9,549.47 : x
2. Step 2: Convert to fraction form
   17,615.55/24,309.78 = 9,549.47/x
3. Step 3: Cross multiply
   17,615.55x = 24,309.78 × 9,549.47
4. Step 4: Simplify right side
   17,615.55x = 232,145,514.82
5. Step 5: Solve for x
   x = 232,145,514.82/17,615.55
6. Step 6: Final answer
   x = 13,178.44