Finding the Fourth Proportional to 2,681.27, 4,021.49 and 949.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,681.27 : 4,021.49 = 949.89 : x
2. Step 2: Convert to fraction form
   2,681.27/4,021.49 = 949.89/x
3. Step 3: Cross multiply
   2,681.27x = 4,021.49 × 949.89
4. Step 4: Simplify right side
   2,681.27x = 3,819,968.39
5. Step 5: Solve for x
   x = 3,819,968.39/2,681.27
6. Step 6: Final answer
   x = 1,424.69