Finding the Fourth Proportional to 196.32, 294.27 and 105.08

Step by Step Solution

1. Step 1: Write the proportion equation
   196.32 : 294.27 = 105.08 : x
2. Step 2: Convert to fraction form
   196.32/294.27 = 105.08/x
3. Step 3: Cross multiply
   196.32x = 294.27 × 105.08
4. Step 4: Simplify right side
   196.32x = 30,921.89
5. Step 5: Solve for x
   x = 30,921.89/196.32
6. Step 6: Final answer
   x = 157.51