Finding the Fourth Proportional to 2,039.05, 3,058.79 and 806.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.05 : 3,058.79 = 806.29 : x
2. Step 2: Convert to fraction form
   2,039.05/3,058.79 = 806.29/x
3. Step 3: Cross multiply
   2,039.05x = 3,058.79 × 806.29
4. Step 4: Simplify right side
   2,039.05x = 2,466,271.79
5. Step 5: Solve for x
   x = 2,466,271.79/2,039.05
6. Step 6: Final answer
   x = 1,209.52