Finding the Fourth Proportional to 196.59, 294.69 and 68.25

Step by Step Solution

1. Step 1: Write the proportion equation
   196.59 : 294.69 = 68.25 : x
2. Step 2: Convert to fraction form
   196.59/294.69 = 68.25/x
3. Step 3: Cross multiply
   196.59x = 294.69 × 68.25
4. Step 4: Simplify right side
   196.59x = 20,112.59
5. Step 5: Solve for x
   x = 20,112.59/196.59
6. Step 6: Final answer
   x = 102.31