Finding the Fourth Proportional to 2,643.81, 3,648.31 and 1,464.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643.81 : 3,648.31 = 1,464.79 : x
2. Step 2: Convert to fraction form
   2,643.81/3,648.31 = 1,464.79/x
3. Step 3: Cross multiply
   2,643.81x = 3,648.31 × 1,464.79
4. Step 4: Simplify right side
   2,643.81x = 5,344,008.00
5. Step 5: Solve for x
   x = 5,344,008.00/2,643.81
6. Step 6: Final answer
   x = 2,021.33