Finding the Fourth Proportional to 2,033.39, 2,805.50 and 1,287.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,033.39 : 2,805.50 = 1,287.69 : x
2. Step 2: Convert to fraction form
   2,033.39/2,805.50 = 1,287.69/x
3. Step 3: Cross multiply
   2,033.39x = 2,805.50 × 1,287.69
4. Step 4: Simplify right side
   2,033.39x = 3,612,614.30
5. Step 5: Solve for x
   x = 3,612,614.30/2,033.39
6. Step 6: Final answer
   x = 1,776.65