Finding the Fourth Proportional to 2,630.37, 3,945.91 and 964.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.37 : 3,945.91 = 964.27 : x
2. Step 2: Convert to fraction form
   2,630.37/3,945.91 = 964.27/x
3. Step 3: Cross multiply
   2,630.37x = 3,945.91 × 964.27
4. Step 4: Simplify right side
   2,630.37x = 3,804,922.64
5. Step 5: Solve for x
   x = 3,804,922.64/2,630.37
6. Step 6: Final answer
   x = 1,446.54