Finding the Fourth Proportional to 3,723.15, 5,584.57 and 949.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,723.15 : 5,584.57 = 949.89 : x
2. Step 2: Convert to fraction form
   3,723.15/5,584.57 = 949.89/x
3. Step 3: Cross multiply
   3,723.15x = 5,584.57 × 949.89
4. Step 4: Simplify right side
   3,723.15x = 5,304,727.20
5. Step 5: Solve for x
   x = 5,304,727.20/3,723.15
6. Step 6: Final answer
   x = 1,424.80