Finding the Fourth Proportional to 12,150.42, 16,773.21 and 8,568.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,150.42 : 16,773.21 = 8,568.30 : x
2. Step 2: Convert to fraction form
   12,150.42/16,773.21 = 8,568.30/x
3. Step 3: Cross multiply
   12,150.42x = 16,773.21 × 8,568.30
4. Step 4: Simplify right side
   12,150.42x = 143,717,863.79
5. Step 5: Solve for x
   x = 143,717,863.79/12,150.42
6. Step 6: Final answer
   x = 11,828.22