Finding the Fourth Proportional to 109.30, 150.79 and 67.27

Step by Step Solution

1. Step 1: Write the proportion equation
   109.30 : 150.79 = 67.27 : x
2. Step 2: Convert to fraction form
   109.30/150.79 = 67.27/x
3. Step 3: Cross multiply
   109.30x = 150.79 × 67.27
4. Step 4: Simplify right side
   109.30x = 10,143.64
5. Step 5: Solve for x
   x = 10,143.64/109.30
6. Step 6: Final answer
   x = 92.81