Finding the Fourth Proportional to 1,198.10, 1,650.56 and 964.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,198.10 : 1,650.56 = 964.82 : x
2. Step 2: Convert to fraction form
   1,198.10/1,650.56 = 964.82/x
3. Step 3: Cross multiply
   1,198.10x = 1,650.56 × 964.82
4. Step 4: Simplify right side
   1,198.10x = 1,592,493.30
5. Step 5: Solve for x
   x = 1,592,493.30/1,198.10
6. Step 6: Final answer
   x = 1,329.18