Finding the Fourth Proportional to 2,504.29, 3,757.03 and 860.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,504.29 : 3,757.03 = 860.79 : x
2. Step 2: Convert to fraction form
   2,504.29/3,757.03 = 860.79/x
3. Step 3: Cross multiply
   2,504.29x = 3,757.03 × 860.79
4. Step 4: Simplify right side
   2,504.29x = 3,234,009.34
5. Step 5: Solve for x
   x = 3,234,009.34/2,504.29
6. Step 6: Final answer
   x = 1,291.39