Finding the Fourth Proportional to 2,993.01, 4,490.33 and 1,143.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,993.01 : 4,490.33 = 1,143.15 : x
2. Step 2: Convert to fraction form
   2,993.01/4,490.33 = 1,143.15/x
3. Step 3: Cross multiply
   2,993.01x = 4,490.33 × 1,143.15
4. Step 4: Simplify right side
   2,993.01x = 5,133,115.02
5. Step 5: Solve for x
   x = 5,133,115.02/2,993.01
6. Step 6: Final answer
   x = 1,715.03