Finding the Fourth Proportional to 127.52, 175.56 and 111.06

Step by Step Solution

1. Step 1: Write the proportion equation
   127.52 : 175.56 = 111.06 : x
2. Step 2: Convert to fraction form
   127.52/175.56 = 111.06/x
3. Step 3: Cross multiply
   127.52x = 175.56 × 111.06
4. Step 4: Simplify right side
   127.52x = 19,497.69
5. Step 5: Solve for x
   x = 19,497.69/127.52
6. Step 6: Final answer
   x = 152.90