Finding the Fourth Proportional to 4,078.50, 5,627.94 and 2,399.94

Step by Step Solution

1. Step 1: Write the proportion equation
   4,078.50 : 5,627.94 = 2,399.94 : x
2. Step 2: Convert to fraction form
   4,078.50/5,627.94 = 2,399.94/x
3. Step 3: Cross multiply
   4,078.50x = 5,627.94 × 2,399.94
4. Step 4: Simplify right side
   4,078.50x = 13,506,718.32
5. Step 5: Solve for x
   x = 13,506,718.32/4,078.50
6. Step 6: Final answer
   x = 3,311.69