Finding the Fourth Proportional to 3,665.04, 5,057.76 and 2,009.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.04 : 5,057.76 = 2,009.04 : x
2. Step 2: Convert to fraction form
   3,665.04/5,057.76 = 2,009.04/x
3. Step 3: Cross multiply
   3,665.04x = 5,057.76 × 2,009.04
4. Step 4: Simplify right side
   3,665.04x = 10,161,242.15
5. Step 5: Solve for x
   x = 10,161,242.15/3,665.04
6. Step 6: Final answer
   x = 2,772.48