Finding the Fourth Proportional to 111.09, 153.27 and 67.35

Step by Step Solution

1. Step 1: Write the proportion equation
   111.09 : 153.27 = 67.35 : x
2. Step 2: Convert to fraction form
   111.09/153.27 = 67.35/x
3. Step 3: Cross multiply
   111.09x = 153.27 × 67.35
4. Step 4: Simplify right side
   111.09x = 10,322.73
5. Step 5: Solve for x
   x = 10,322.73/111.09
6. Step 6: Final answer
   x = 92.92