Finding the Fourth Proportional to 2,589.57, 3,885.57 and 1,291.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589.57 : 3,885.57 = 1,291.14 : x
2. Step 2: Convert to fraction form
   2,589.57/3,885.57 = 1,291.14/x
3. Step 3: Cross multiply
   2,589.57x = 3,885.57 × 1,291.14
4. Step 4: Simplify right side
   2,589.57x = 5,016,814.85
5. Step 5: Solve for x
   x = 5,016,814.85/2,589.57
6. Step 6: Final answer
   x = 1,937.32