Finding the Fourth Proportional to 2,682.30, 4,020.71 and 949.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,682.30 : 4,020.71 = 949.71 : x
2. Step 2: Convert to fraction form
   2,682.30/4,020.71 = 949.71/x
3. Step 3: Cross multiply
   2,682.30x = 4,020.71 × 949.71
4. Step 4: Simplify right side
   2,682.30x = 3,818,503.75
5. Step 5: Solve for x
   x = 3,818,503.75/2,682.30
6. Step 6: Final answer
   x = 1,423.59