Finding the Fourth Proportional to 2,031.24, 3,044.56 and 860.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.24 : 3,044.56 = 860.51 : x
2. Step 2: Convert to fraction form
   2,031.24/3,044.56 = 860.51/x
3. Step 3: Cross multiply
   2,031.24x = 3,044.56 × 860.51
4. Step 4: Simplify right side
   2,031.24x = 2,619,879.79
5. Step 5: Solve for x
   x = 2,619,879.79/2,031.24
6. Step 6: Final answer
   x = 1,289.79