Finding the Fourth Proportional to 6,856.55, 10,288.92 and 2,960.94

Step by Step Solution

1. Step 1: Write the proportion equation
   6,856.55 : 10,288.92 = 2,960.94 : x
2. Step 2: Convert to fraction form
   6,856.55/10,288.92 = 2,960.94/x
3. Step 3: Cross multiply
   6,856.55x = 10,288.92 × 2,960.94
4. Step 4: Simplify right side
   6,856.55x = 30,464,874.78
5. Step 5: Solve for x
   x = 30,464,874.78/6,856.55
6. Step 6: Final answer
   x = 4,443.18