Finding the Fourth Proportional to 2,643.92, 3,648.69 and 1,465.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643.92 : 3,648.69 = 1,465.10 : x
2. Step 2: Convert to fraction form
   2,643.92/3,648.69 = 1,465.10/x
3. Step 3: Cross multiply
   2,643.92x = 3,648.69 × 1,465.10
4. Step 4: Simplify right side
   2,643.92x = 5,345,695.72
5. Step 5: Solve for x
   x = 5,345,695.72/2,643.92
6. Step 6: Final answer
   x = 2,021.88