Finding the Fourth Proportional to 2,033.72, 3,049.78 and 717.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,033.72 : 3,049.78 = 717.40 : x
2. Step 2: Convert to fraction form
   2,033.72/3,049.78 = 717.40/x
3. Step 3: Cross multiply
   2,033.72x = 3,049.78 × 717.40
4. Step 4: Simplify right side
   2,033.72x = 2,187,912.17
5. Step 5: Solve for x
   x = 2,187,912.17/2,033.72
6. Step 6: Final answer
   x = 1,075.82