Finding the Fourth Proportional to 3,986.82, 5,976.59 and 2,038.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,986.82 : 5,976.59 = 2,038.57 : x
2. Step 2: Convert to fraction form
   3,986.82/5,976.59 = 2,038.57/x
3. Step 3: Cross multiply
   3,986.82x = 5,976.59 × 2,038.57
4. Step 4: Simplify right side
   3,986.82x = 12,183,671.94
5. Step 5: Solve for x
   x = 12,183,671.94/3,986.82
6. Step 6: Final answer
   x = 3,055.99