Finding the Fourth Proportional to 109.69, 151.33 and 68.22

Step by Step Solution

1. Step 1: Write the proportion equation
   109.69 : 151.33 = 68.22 : x
2. Step 2: Convert to fraction form
   109.69/151.33 = 68.22/x
3. Step 3: Cross multiply
   109.69x = 151.33 × 68.22
4. Step 4: Simplify right side
   109.69x = 10,323.73
5. Step 5: Solve for x
   x = 10,323.73/109.69
6. Step 6: Final answer
   x = 94.12