Finding the Fourth Proportional to 111.44, 153.46 and 111.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111.44 : 153.46 = 111.10 : x
2. Step 2: Convert to fraction form
   111.44/153.46 = 111.10/x
3. Step 3: Cross multiply
   111.44x = 153.46 × 111.10
4. Step 4: Simplify right side
   111.44x = 17,049.41
5. Step 5: Solve for x
   x = 17,049.41/111.44
6. Step 6: Final answer
   x = 153.00