Finding the Fourth Proportional to 3,401.92, 5,103.68 and 1,668.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.92 : 5,103.68 = 1,668.52 : x
2. Step 2: Convert to fraction form
   3,401.92/5,103.68 = 1,668.52/x
3. Step 3: Cross multiply
   3,401.92x = 5,103.68 × 1,668.52
4. Step 4: Simplify right side
   3,401.92x = 8,515,592.15
5. Step 5: Solve for x
   x = 8,515,592.15/3,401.92
6. Step 6: Final answer
   x = 2,503.17