Finding the Fourth Proportional to 3,668.91, 5,498.18 and 2,843.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,668.91 : 5,498.18 = 2,843.31 : x
2. Step 2: Convert to fraction form
   3,668.91/5,498.18 = 2,843.31/x
3. Step 3: Cross multiply
   3,668.91x = 5,498.18 × 2,843.31
4. Step 4: Simplify right side
   3,668.91x = 15,633,030.18
5. Step 5: Solve for x
   x = 15,633,030.18/3,668.91
6. Step 6: Final answer
   x = 4,260.95