Finding the Fourth Proportional to 2,382.72, 3,574.62 and 739.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,382.72 : 3,574.62 = 739.20 : x
2. Step 2: Convert to fraction form
   2,382.72/3,574.62 = 739.20/x
3. Step 3: Cross multiply
   2,382.72x = 3,574.62 × 739.20
4. Step 4: Simplify right side
   2,382.72x = 2,642,359.10
5. Step 5: Solve for x
   x = 2,642,359.10/2,382.72
6. Step 6: Final answer
   x = 1,108.97