Finding the Fourth Proportional to 8,058.71, 12,080.78 and 2,863.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,058.71 : 12,080.78 = 2,863.37 : x
2. Step 2: Convert to fraction form
   8,058.71/12,080.78 = 2,863.37/x
3. Step 3: Cross multiply
   8,058.71x = 12,080.78 × 2,863.37
4. Step 4: Simplify right side
   8,058.71x = 34,591,769.65
5. Step 5: Solve for x
   x = 34,591,769.65/8,058.71
6. Step 6: Final answer
   x = 4,292.47