Finding the Fourth Proportional to 196.42, 294.51 and 74.69

Step by Step Solution

1. Step 1: Write the proportion equation
   196.42 : 294.51 = 74.69 : x
2. Step 2: Convert to fraction form
   196.42/294.51 = 74.69/x
3. Step 3: Cross multiply
   196.42x = 294.51 × 74.69
4. Step 4: Simplify right side
   196.42x = 21,997.69
5. Step 5: Solve for x
   x = 21,997.69/196.42
6. Step 6: Final answer
   x = 111.99