Finding the Fourth Proportional to 2,668.24, 3,682.83 and 1,621.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,668.24 : 3,682.83 = 1,621.18 : x
2. Step 2: Convert to fraction form
   2,668.24/3,682.83 = 1,621.18/x
3. Step 3: Cross multiply
   2,668.24x = 3,682.83 × 1,621.18
4. Step 4: Simplify right side
   2,668.24x = 5,970,530.34
5. Step 5: Solve for x
   x = 5,970,530.34/2,668.24
6. Step 6: Final answer
   x = 2,237.63