Finding the Fourth Proportional to 3,401.48, 5,103.78 and 2,017.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.48 : 5,103.78 = 2,017.56 : x
2. Step 2: Convert to fraction form
   3,401.48/5,103.78 = 2,017.56/x
3. Step 3: Cross multiply
   3,401.48x = 5,103.78 × 2,017.56
4. Step 4: Simplify right side
   3,401.48x = 10,297,182.38
5. Step 5: Solve for x
   x = 10,297,182.38/3,401.48
6. Step 6: Final answer
   x = 3,027.27