Finding the Fourth Proportional to 196.56, 294.84 and 109.89

Step by Step Solution

1. Step 1: Write the proportion equation
   196.56 : 294.84 = 109.89 : x
2. Step 2: Convert to fraction form
   196.56/294.84 = 109.89/x
3. Step 3: Cross multiply
   196.56x = 294.84 × 109.89
4. Step 4: Simplify right side
   196.56x = 32,399.97
5. Step 5: Solve for x
   x = 32,399.97/196.56
6. Step 6: Final answer
   x = 164.84