Finding the Fourth Proportional to 3,208.91, 4,814.89 and 2,223.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,208.91 : 4,814.89 = 2,223.24 : x
2. Step 2: Convert to fraction form
   3,208.91/4,814.89 = 2,223.24/x
3. Step 3: Cross multiply
   3,208.91x = 4,814.89 × 2,223.24
4. Step 4: Simplify right side
   3,208.91x = 10,704,632.43
5. Step 5: Solve for x
   x = 10,704,632.43/3,208.91
6. Step 6: Final answer
   x = 3,335.91