Finding the Fourth Proportional to 2,504.12, 3,756.59 and 860.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,504.12 : 3,756.59 = 860.27 : x
2. Step 2: Convert to fraction form
   2,504.12/3,756.59 = 860.27/x
3. Step 3: Cross multiply
   2,504.12x = 3,756.59 × 860.27
4. Step 4: Simplify right side
   2,504.12x = 3,231,658.60
5. Step 5: Solve for x
   x = 3,231,658.60/2,504.12
6. Step 6: Final answer
   x = 1,290.54