Finding the Fourth Proportional to 2,426.32, 3,638.37 and 964.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.32 : 3,638.37 = 964.48 : x
2. Step 2: Convert to fraction form
   2,426.32/3,638.37 = 964.48/x
3. Step 3: Cross multiply
   2,426.32x = 3,638.37 × 964.48
4. Step 4: Simplify right side
   2,426.32x = 3,509,135.10
5. Step 5: Solve for x
   x = 3,509,135.10/2,426.32
6. Step 6: Final answer
   x = 1,446.28