Finding the Fourth Proportional to 1,643.94, 2,464.69 and 994.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,643.94 : 2,464.69 = 994.52 : x
2. Step 2: Convert to fraction form
   1,643.94/2,464.69 = 994.52/x
3. Step 3: Cross multiply
   1,643.94x = 2,464.69 × 994.52
4. Step 4: Simplify right side
   1,643.94x = 2,451,183.50
5. Step 5: Solve for x
   x = 2,451,183.50/1,643.94
6. Step 6: Final answer
   x = 1,491.04