Finding the Fourth Proportional to 3,225.45, 4,449.81 and 2,339.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,225.45 : 4,449.81 = 2,339.31 : x
2. Step 2: Convert to fraction form
   3,225.45/4,449.81 = 2,339.31/x
3. Step 3: Cross multiply
   3,225.45x = 4,449.81 × 2,339.31
4. Step 4: Simplify right side
   3,225.45x = 10,409,485.03
5. Step 5: Solve for x
   x = 10,409,485.03/3,225.45
6. Step 6: Final answer
   x = 3,227.30