Finding the Fourth Proportional to 2,074.43, 3,107.47 and 1,031.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.43 : 3,107.47 = 1,031.27 : x
2. Step 2: Convert to fraction form
   2,074.43/3,107.47 = 1,031.27/x
3. Step 3: Cross multiply
   2,074.43x = 3,107.47 × 1,031.27
4. Step 4: Simplify right side
   2,074.43x = 3,204,645.78
5. Step 5: Solve for x
   x = 3,204,645.78/2,074.43
6. Step 6: Final answer
   x = 1,544.84