Finding the Fourth Proportional to 110.69, 152.74 and 68.72

Step by Step Solution

1. Step 1: Write the proportion equation
   110.69 : 152.74 = 68.72 : x
2. Step 2: Convert to fraction form
   110.69/152.74 = 68.72/x
3. Step 3: Cross multiply
   110.69x = 152.74 × 68.72
4. Step 4: Simplify right side
   110.69x = 10,496.50
5. Step 5: Solve for x
   x = 10,496.50/110.69
6. Step 6: Final answer
   x = 94.83