Finding the Fourth Proportional to 196.63, 294.59 and 103.97

Step by Step Solution

1. Step 1: Write the proportion equation
   196.63 : 294.59 = 103.97 : x
2. Step 2: Convert to fraction form
   196.63/294.59 = 103.97/x
3. Step 3: Cross multiply
   196.63x = 294.59 × 103.97
4. Step 4: Simplify right side
   196.63x = 30,628.52
5. Step 5: Solve for x
   x = 30,628.52/196.63
6. Step 6: Final answer
   x = 155.77