Finding the Fourth Proportional to 2,993.06, 4,490.34 and 1,143.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,993.06 : 4,490.34 = 1,143.98 : x
2. Step 2: Convert to fraction form
   2,993.06/4,490.34 = 1,143.98/x
3. Step 3: Cross multiply
   2,993.06x = 4,490.34 × 1,143.98
4. Step 4: Simplify right side
   2,993.06x = 5,136,836.70
5. Step 5: Solve for x
   x = 5,136,836.70/2,993.06
6. Step 6: Final answer
   x = 1,716.25