Finding the Fourth Proportional to 196.73, 294.74 and 105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196.73 : 294.74 = 105.50 : x
2. Step 2: Convert to fraction form
   196.73/294.74 = 105.50/x
3. Step 3: Cross multiply
   196.73x = 294.74 × 105.50
4. Step 4: Simplify right side
   196.73x = 31,095.67
5. Step 5: Solve for x
   x = 31,095.67/196.73
6. Step 6: Final answer
   x = 158.06