Finding the Fourth Proportional to 2,643.79, 3,648.38 and 1,464.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643.79 : 3,648.38 = 1,464.87 : x
2. Step 2: Convert to fraction form
   2,643.79/3,648.38 = 1,464.87/x
3. Step 3: Cross multiply
   2,643.79x = 3,648.38 × 1,464.87
4. Step 4: Simplify right side
   2,643.79x = 5,344,402.41
5. Step 5: Solve for x
   x = 5,344,402.41/2,643.79
6. Step 6: Final answer
   x = 2,021.49