Finding the Fourth Proportional to 196.29, 294.57 and 105.03

Step by Step Solution

1. Step 1: Write the proportion equation
   196.29 : 294.57 = 105.03 : x
2. Step 2: Convert to fraction form
   196.29/294.57 = 105.03/x
3. Step 3: Cross multiply
   196.29x = 294.57 × 105.03
4. Step 4: Simplify right side
   196.29x = 30,938.69
5. Step 5: Solve for x
   x = 30,938.69/196.29
6. Step 6: Final answer
   x = 157.62