Finding the Fourth Proportional to 2,668.45, 3,682.28 and 1,549.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,668.45 : 3,682.28 = 1,549.50 : x
2. Step 2: Convert to fraction form
   2,668.45/3,682.28 = 1,549.50/x
3. Step 3: Cross multiply
   2,668.45x = 3,682.28 × 1,549.50
4. Step 4: Simplify right side
   2,668.45x = 5,705,668.69
5. Step 5: Solve for x
   x = 5,705,668.69/2,668.45
6. Step 6: Final answer
   x = 2,138.19