Finding the Fourth Proportional to 12,004.38, 16,567.83 and 8,658.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,004.38 : 16,567.83 = 8,658.30 : x
2. Step 2: Convert to fraction form
   12,004.38/16,567.83 = 8,658.30/x
3. Step 3: Cross multiply
   12,004.38x = 16,567.83 × 8,658.30
4. Step 4: Simplify right side
   12,004.38x = 143,449,242.49
5. Step 5: Solve for x
   x = 143,449,242.49/12,004.38
6. Step 6: Final answer
   x = 11,949.74