Finding the Fourth Proportional to 2,643.28, 3,647.73 and 1,464.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643.28 : 3,647.73 = 1,464.35 : x
2. Step 2: Convert to fraction form
   2,643.28/3,647.73 = 1,464.35/x
3. Step 3: Cross multiply
   2,643.28x = 3,647.73 × 1,464.35
4. Step 4: Simplify right side
   2,643.28x = 5,341,546.10
5. Step 5: Solve for x
   x = 5,341,546.10/2,643.28
6. Step 6: Final answer
   x = 2,020.81