Finding the Fourth Proportional to 2,978.24, 4,107.94 and 1,797.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.24 : 4,107.94 = 1,797.28 : x
2. Step 2: Convert to fraction form
   2,978.24/4,107.94 = 1,797.28/x
3. Step 3: Cross multiply
   2,978.24x = 4,107.94 × 1,797.28
4. Step 4: Simplify right side
   2,978.24x = 7,383,118.40
5. Step 5: Solve for x
   x = 7,383,118.40/2,978.24
6. Step 6: Final answer
   x = 2,479.02