Finding the Fourth Proportional to 12,648, 17,454.24 and 8,466.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,648 : 17,454.24 = 8,466.24 : x
2. Step 2: Convert to fraction form
   12,648/17,454.24 = 8,466.24/x
3. Step 3: Cross multiply
   12,648x = 17,454.24 × 8,466.24
4. Step 4: Simplify right side
   12,648x = 147,771,784.86
5. Step 5: Solve for x
   x = 147,771,784.86/12,648
6. Step 6: Final answer
   x = 11,683.41