Finding the Fourth Proportional to 2,439.57, 3,650.86 and 1,995.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,439.57 : 3,650.86 = 1,995.69 : x
2. Step 2: Convert to fraction form
   2,439.57/3,650.86 = 1,995.69/x
3. Step 3: Cross multiply
   2,439.57x = 3,650.86 × 1,995.69
4. Step 4: Simplify right side
   2,439.57x = 7,285,989.75
5. Step 5: Solve for x
   x = 7,285,989.75/2,439.57
6. Step 6: Final answer
   x = 2,986.58