Finding the Fourth Proportional to 196.24, 294.24 and 104.88

Step by Step Solution

1. Step 1: Write the proportion equation
   196.24 : 294.24 = 104.88 : x
2. Step 2: Convert to fraction form
   196.24/294.24 = 104.88/x
3. Step 3: Cross multiply
   196.24x = 294.24 × 104.88
4. Step 4: Simplify right side
   196.24x = 30,859.89
5. Step 5: Solve for x
   x = 30,859.89/196.24
6. Step 6: Final answer
   x = 157.26