Finding the Fourth Proportional to 196.72, 294.78 and 132.52

Step by Step Solution

1. Step 1: Write the proportion equation
   196.72 : 294.78 = 132.52 : x
2. Step 2: Convert to fraction form
   196.72/294.78 = 132.52/x
3. Step 3: Cross multiply
   196.72x = 294.78 × 132.52
4. Step 4: Simplify right side
   196.72x = 39,064.25
5. Step 5: Solve for x
   x = 39,064.25/196.72
6. Step 6: Final answer
   x = 198.58