Finding the Fourth Proportional to 2,426.57, 3,636.42 and 964.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.57 : 3,636.42 = 964.01 : x
2. Step 2: Convert to fraction form
   2,426.57/3,636.42 = 964.01/x
3. Step 3: Cross multiply
   2,426.57x = 3,636.42 × 964.01
4. Step 4: Simplify right side
   2,426.57x = 3,505,527.06
5. Step 5: Solve for x
   x = 3,505,527.06/2,426.57
6. Step 6: Final answer
   x = 1,444.65