Finding the Fourth Proportional to 12,422.48, 17,150.68 and 8,548.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,422.48 : 17,150.68 = 8,548.56 : x
2. Step 2: Convert to fraction form
   12,422.48/17,150.68 = 8,548.56/x
3. Step 3: Cross multiply
   12,422.48x = 17,150.68 × 8,548.56
4. Step 4: Simplify right side
   12,422.48x = 146,613,617.02
5. Step 5: Solve for x
   x = 146,613,617.02/12,422.48
6. Step 6: Final answer
   x = 11,802.28