Finding the Fourth Proportional to 2,440.56, 3,366.45 and 1,601.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,440.56 : 3,366.45 = 1,601.31 : x
2. Step 2: Convert to fraction form
   2,440.56/3,366.45 = 1,601.31/x
3. Step 3: Cross multiply
   2,440.56x = 3,366.45 × 1,601.31
4. Step 4: Simplify right side
   2,440.56x = 5,390,730.05
5. Step 5: Solve for x
   x = 5,390,730.05/2,440.56
6. Step 6: Final answer
   x = 2,208.81