Finding the Fourth Proportional to 2,589.86, 3,885.71 and 1,357.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589.86 : 3,885.71 = 1,357.25 : x
2. Step 2: Convert to fraction form
   2,589.86/3,885.71 = 1,357.25/x
3. Step 3: Cross multiply
   2,589.86x = 3,885.71 × 1,357.25
4. Step 4: Simplify right side
   2,589.86x = 5,273,853.68
5. Step 5: Solve for x
   x = 5,273,853.68/2,589.86
6. Step 6: Final answer
   x = 2,036.35