Finding the Fourth Proportional to 2,439.56, 3,368.24 and 1,601.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,439.56 : 3,368.24 = 1,601.69 : x
2. Step 2: Convert to fraction form
   2,439.56/3,368.24 = 1,601.69/x
3. Step 3: Cross multiply
   2,439.56x = 3,368.24 × 1,601.69
4. Step 4: Simplify right side
   2,439.56x = 5,394,851.48
5. Step 5: Solve for x
   x = 5,394,851.48/2,439.56
6. Step 6: Final answer
   x = 2,211.41