Finding the Fourth Proportional to 3,683.80, 5,083.59 and 2,005.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,683.80 : 5,083.59 = 2,005.18 : x
2. Step 2: Convert to fraction form
   3,683.80/5,083.59 = 2,005.18/x
3. Step 3: Cross multiply
   3,683.80x = 5,083.59 × 2,005.18
4. Step 4: Simplify right side
   3,683.80x = 10,193,504.96
5. Step 5: Solve for x
   x = 10,193,504.96/3,683.80
6. Step 6: Final answer
   x = 2,767.12