Finding the Fourth Proportional to 3,561.27, 5,342.04 and 964.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561.27 : 5,342.04 = 964.23 : x
2. Step 2: Convert to fraction form
   3,561.27/5,342.04 = 964.23/x
3. Step 3: Cross multiply
   3,561.27x = 5,342.04 × 964.23
4. Step 4: Simplify right side
   3,561.27x = 5,150,955.23
5. Step 5: Solve for x
   x = 5,150,955.23/3,561.27
6. Step 6: Final answer
   x = 1,446.38