Finding the Fourth Proportional to 2,038.92, 3,058.89 and 578.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.92 : 3,058.89 = 578.09 : x
2. Step 2: Convert to fraction form
   2,038.92/3,058.89 = 578.09/x
3. Step 3: Cross multiply
   2,038.92x = 3,058.89 × 578.09
4. Step 4: Simplify right side
   2,038.92x = 1,768,300.59
5. Step 5: Solve for x
   x = 1,768,300.59/2,038.92
6. Step 6: Final answer
   x = 867.27