Finding the Fourth Proportional to 3,674.54, 5,074.31 and 2,558.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,674.54 : 5,074.31 = 2,558.52 : x
2. Step 2: Convert to fraction form
   3,674.54/5,074.31 = 2,558.52/x
3. Step 3: Cross multiply
   3,674.54x = 5,074.31 × 2,558.52
4. Step 4: Simplify right side
   3,674.54x = 12,982,710.83
5. Step 5: Solve for x
   x = 12,982,710.83/3,674.54
6. Step 6: Final answer
   x = 3,533.16