Finding the Fourth Proportional to 2,863.33, 4,288.86 and 2,162.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,863.33 : 4,288.86 = 2,162.27 : x
2. Step 2: Convert to fraction form
   2,863.33/4,288.86 = 2,162.27/x
3. Step 3: Cross multiply
   2,863.33x = 4,288.86 × 2,162.27
4. Step 4: Simplify right side
   2,863.33x = 9,273,673.31
5. Step 5: Solve for x
   x = 9,273,673.31/2,863.33
6. Step 6: Final answer
   x = 3,238.77