Finding the Fourth Proportional to 8,144.78, 12,218.82 and 2,950.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,144.78 : 12,218.82 = 2,950.28 : x
2. Step 2: Convert to fraction form
   8,144.78/12,218.82 = 2,950.28/x
3. Step 3: Cross multiply
   8,144.78x = 12,218.82 × 2,950.28
4. Step 4: Simplify right side
   8,144.78x = 36,048,940.27
5. Step 5: Solve for x
   x = 36,048,940.27/8,144.78
6. Step 6: Final answer
   x = 4,426.02