Finding the Fourth Proportional to 3,919.48, 5,876.15 and 2,683.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,919.48 : 5,876.15 = 2,683.15 : x
2. Step 2: Convert to fraction form
   3,919.48/5,876.15 = 2,683.15/x
3. Step 3: Cross multiply
   3,919.48x = 5,876.15 × 2,683.15
4. Step 4: Simplify right side
   3,919.48x = 15,766,591.87
5. Step 5: Solve for x
   x = 15,766,591.87/3,919.48
6. Step 6: Final answer
   x = 4,022.62