Finding the Fourth Proportional to 2,867.94, 3,951.81 and 2,306.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,867.94 : 3,951.81 = 2,306.16 : x
2. Step 2: Convert to fraction form
   2,867.94/3,951.81 = 2,306.16/x
3. Step 3: Cross multiply
   2,867.94x = 3,951.81 × 2,306.16
4. Step 4: Simplify right side
   2,867.94x = 9,113,506.15
5. Step 5: Solve for x
   x = 9,113,506.15/2,867.94
6. Step 6: Final answer
   x = 3,177.72