Finding the Fourth Proportional to 3,414.72, 5,122.18 and 949.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,414.72 : 5,122.18 = 949.72 : x
2. Step 2: Convert to fraction form
   3,414.72/5,122.18 = 949.72/x
3. Step 3: Cross multiply
   3,414.72x = 5,122.18 × 949.72
4. Step 4: Simplify right side
   3,414.72x = 4,864,636.79
5. Step 5: Solve for x
   x = 4,864,636.79/3,414.72
6. Step 6: Final answer
   x = 1,424.61