Finding the Fourth Proportional to 2,993.50, 4,490.15 and 913.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,993.50 : 4,490.15 = 913.42 : x
2. Step 2: Convert to fraction form
   2,993.50/4,490.15 = 913.42/x
3. Step 3: Cross multiply
   2,993.50x = 4,490.15 × 913.42
4. Step 4: Simplify right side
   2,993.50x = 4,101,377.02
5. Step 5: Solve for x
   x = 4,101,377.02/2,993.50
6. Step 6: Final answer
   x = 1,370.10