Finding the Fourth Proportional to 127.24, 190.56 and 111.86

Step by Step Solution

1. Step 1: Write the proportion equation
   127.24 : 190.56 = 111.86 : x
2. Step 2: Convert to fraction form
   127.24/190.56 = 111.86/x
3. Step 3: Cross multiply
   127.24x = 190.56 × 111.86
4. Step 4: Simplify right side
   127.24x = 21,316.04
5. Step 5: Solve for x
   x = 21,316.04/127.24
6. Step 6: Final answer
   x = 167.53