Finding the Fourth Proportional to 111.51, 153.93 and 67.27

Step by Step Solution

1. Step 1: Write the proportion equation
   111.51 : 153.93 = 67.27 : x
2. Step 2: Convert to fraction form
   111.51/153.93 = 67.27/x
3. Step 3: Cross multiply
   111.51x = 153.93 × 67.27
4. Step 4: Simplify right side
   111.51x = 10,354.87
5. Step 5: Solve for x
   x = 10,354.87/111.51
6. Step 6: Final answer
   x = 92.86