Finding the Fourth Proportional to 17,456.48, 24,090.44 and 9,499.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,456.48 : 24,090.44 = 9,499.21 : x
2. Step 2: Convert to fraction form
   17,456.48/24,090.44 = 9,499.21/x
3. Step 3: Cross multiply
   17,456.48x = 24,090.44 × 9,499.21
4. Step 4: Simplify right side
   17,456.48x = 228,840,148.55
5. Step 5: Solve for x
   x = 228,840,148.55/17,456.48
6. Step 6: Final answer
   x = 13,109.18