Finding the Fourth Proportional to 3,665.87, 5,500.73 and 2,001.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.87 : 5,500.73 = 2,001.18 : x
2. Step 2: Convert to fraction form
   3,665.87/5,500.73 = 2,001.18/x
3. Step 3: Cross multiply
   3,665.87x = 5,500.73 × 2,001.18
4. Step 4: Simplify right side
   3,665.87x = 11,007,940.86
5. Step 5: Solve for x
   x = 11,007,940.86/3,665.87
6. Step 6: Final answer
   x = 3,002.82