Finding the Fourth Proportional to 2,668.56, 3,682.82 and 1,490

Step by Step Solution

1. Step 1: Write the proportion equation
   2,668.56 : 3,682.82 = 1,490 : x
2. Step 2: Convert to fraction form
   2,668.56/3,682.82 = 1,490/x
3. Step 3: Cross multiply
   2,668.56x = 3,682.82 × 1,490
4. Step 4: Simplify right side
   2,668.56x = 5,487,401.80
5. Step 5: Solve for x
   x = 5,487,401.80/2,668.56
6. Step 6: Final answer
   x = 2,056.32