Finding the Fourth Proportional to 2,014.52, 3,022.56 and 860.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.52 : 3,022.56 = 860.36 : x
2. Step 2: Convert to fraction form
   2,014.52/3,022.56 = 860.36/x
3. Step 3: Cross multiply
   2,014.52x = 3,022.56 × 860.36
4. Step 4: Simplify right side
   2,014.52x = 2,600,489.72
5. Step 5: Solve for x
   x = 2,600,489.72/2,014.52
6. Step 6: Final answer
   x = 1,290.87