Finding the Fourth Proportional to 2,558.25, 3,818.69 and 2,195.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.25 : 3,818.69 = 2,195.37 : x
2. Step 2: Convert to fraction form
   2,558.25/3,818.69 = 2,195.37/x
3. Step 3: Cross multiply
   2,558.25x = 3,818.69 × 2,195.37
4. Step 4: Simplify right side
   2,558.25x = 8,383,418.37
5. Step 5: Solve for x
   x = 8,383,418.37/2,558.25
6. Step 6: Final answer
   x = 3,277.02