Finding the Fourth Proportional to 2,993.27, 4,489.72 and 1,144.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,993.27 : 4,489.72 = 1,144.55 : x
2. Step 2: Convert to fraction form
   2,993.27/4,489.72 = 1,144.55/x
3. Step 3: Cross multiply
   2,993.27x = 4,489.72 × 1,144.55
4. Step 4: Simplify right side
   2,993.27x = 5,138,717.39
5. Step 5: Solve for x
   x = 5,138,717.39/2,993.27
6. Step 6: Final answer
   x = 1,716.76