Finding the Fourth Proportional to 2,644.05, 3,648.65 and 1,465.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644.05 : 3,648.65 = 1,465.05 : x
2. Step 2: Convert to fraction form
   2,644.05/3,648.65 = 1,465.05/x
3. Step 3: Cross multiply
   2,644.05x = 3,648.65 × 1,465.05
4. Step 4: Simplify right side
   2,644.05x = 5,345,454.68
5. Step 5: Solve for x
   x = 5,345,454.68/2,644.05
6. Step 6: Final answer
   x = 2,021.69