Finding the Fourth Proportional to 2,643.76, 3,648.39 and 1,464.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643.76 : 3,648.39 = 1,464.81 : x
2. Step 2: Convert to fraction form
   2,643.76/3,648.39 = 1,464.81/x
3. Step 3: Cross multiply
   2,643.76x = 3,648.39 × 1,464.81
4. Step 4: Simplify right side
   2,643.76x = 5,344,198.16
5. Step 5: Solve for x
   x = 5,344,198.16/2,643.76
6. Step 6: Final answer
   x = 2,021.44