Finding the Fourth Proportional to 2,198.56, 3,294.60 and 964.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,198.56 : 3,294.60 = 964.84 : x
2. Step 2: Convert to fraction form
   2,198.56/3,294.60 = 964.84/x
3. Step 3: Cross multiply
   2,198.56x = 3,294.60 × 964.84
4. Step 4: Simplify right side
   2,198.56x = 3,178,761.86
5. Step 5: Solve for x
   x = 3,178,761.86/2,198.56
6. Step 6: Final answer
   x = 1,445.84