Finding the Fourth Proportional to 2,643.21, 3,647.76 and 1,464.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643.21 : 3,647.76 = 1,464.29 : x
2. Step 2: Convert to fraction form
   2,643.21/3,647.76 = 1,464.29/x
3. Step 3: Cross multiply
   2,643.21x = 3,647.76 × 1,464.29
4. Step 4: Simplify right side
   2,643.21x = 5,341,360.25
5. Step 5: Solve for x
   x = 5,341,360.25/2,643.21
6. Step 6: Final answer
   x = 2,020.79