Finding the Fourth Proportional to 3,995.46, 5,513.76 and 2,317.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,995.46 : 5,513.76 = 2,317.87 : x
2. Step 2: Convert to fraction form
   3,995.46/5,513.76 = 2,317.87/x
3. Step 3: Cross multiply
   3,995.46x = 5,513.76 × 2,317.87
4. Step 4: Simplify right side
   3,995.46x = 12,780,176.79
5. Step 5: Solve for x
   x = 12,780,176.79/3,995.46
6. Step 6: Final answer
   x = 3,198.67