Finding the Fourth Proportional to 8,147.72, 12,222.81 and 2,952.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,147.72 : 12,222.81 = 2,952.38 : x
2. Step 2: Convert to fraction form
   8,147.72/12,222.81 = 2,952.38/x
3. Step 3: Cross multiply
   8,147.72x = 12,222.81 × 2,952.38
4. Step 4: Simplify right side
   8,147.72x = 36,086,379.79
5. Step 5: Solve for x
   x = 36,086,379.79/8,147.72
6. Step 6: Final answer
   x = 4,429.02