Finding the Fourth Proportional to 3,401.48, 5,103.33 and 1,668.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.48 : 5,103.33 = 1,668.89 : x
2. Step 2: Convert to fraction form
   3,401.48/5,103.33 = 1,668.89/x
3. Step 3: Cross multiply
   3,401.48x = 5,103.33 × 1,668.89
4. Step 4: Simplify right side
   3,401.48x = 8,516,888.06
5. Step 5: Solve for x
   x = 8,516,888.06/3,401.48
6. Step 6: Final answer
   x = 2,503.88