Finding the Fourth Proportional to 2,456.85, 3,686.31 and 995.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.85 : 3,686.31 = 995.64 : x
2. Step 2: Convert to fraction form
   2,456.85/3,686.31 = 995.64/x
3. Step 3: Cross multiply
   2,456.85x = 3,686.31 × 995.64
4. Step 4: Simplify right side
   2,456.85x = 3,670,237.69
5. Step 5: Solve for x
   x = 3,670,237.69/2,456.85
6. Step 6: Final answer
   x = 1,493.88