Finding the Fourth Proportional to 196.50, 294.83 and 93.78

Step by Step Solution

1. Step 1: Write the proportion equation
   196.50 : 294.83 = 93.78 : x
2. Step 2: Convert to fraction form
   196.50/294.83 = 93.78/x
3. Step 3: Cross multiply
   196.50x = 294.83 × 93.78
4. Step 4: Simplify right side
   196.50x = 27,648.69
5. Step 5: Solve for x
   x = 27,648.69/196.50
6. Step 6: Final answer
   x = 140.71