Finding the Fourth Proportional to 2,424.16, 3,638.31 and 964.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,424.16 : 3,638.31 = 964.34 : x
2. Step 2: Convert to fraction form
   2,424.16/3,638.31 = 964.34/x
3. Step 3: Cross multiply
   2,424.16x = 3,638.31 × 964.34
4. Step 4: Simplify right side
   2,424.16x = 3,508,567.87
5. Step 5: Solve for x
   x = 3,508,567.87/2,424.16
6. Step 6: Final answer
   x = 1,447.33