Finding the Fourth Proportional to 17,456.40, 26,185.68 and 8,682.48

Step by Step Solution

1. Step 1: Write the proportion equation
   17,456.40 : 26,185.68 = 8,682.48 : x
2. Step 2: Convert to fraction form
   17,456.40/26,185.68 = 8,682.48/x
3. Step 3: Cross multiply
   17,456.40x = 26,185.68 × 8,682.48
4. Step 4: Simplify right side
   17,456.40x = 227,356,642.89
5. Step 5: Solve for x
   x = 227,356,642.89/17,456.40
6. Step 6: Final answer
   x = 13,024.26