Finding the Fourth Proportional to 196.50, 294.72 and 73.09

Step by Step Solution

1. Step 1: Write the proportion equation
   196.50 : 294.72 = 73.09 : x
2. Step 2: Convert to fraction form
   196.50/294.72 = 73.09/x
3. Step 3: Cross multiply
   196.50x = 294.72 × 73.09
4. Step 4: Simplify right side
   196.50x = 21,541.08
5. Step 5: Solve for x
   x = 21,541.08/196.50
6. Step 6: Final answer
   x = 109.62