Finding the Fourth Proportional to 2,558.25, 3,835.34 and 1,325.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.25 : 3,835.34 = 1,325.85 : x
2. Step 2: Convert to fraction form
   2,558.25/3,835.34 = 1,325.85/x
3. Step 3: Cross multiply
   2,558.25x = 3,835.34 × 1,325.85
4. Step 4: Simplify right side
   2,558.25x = 5,085,078.91
5. Step 5: Solve for x
   x = 5,085,078.91/2,558.25
6. Step 6: Final answer
   x = 1,987.72