Finding the Fourth Proportional to 118.01, 162.73 and 111.17

Step by Step Solution

1. Step 1: Write the proportion equation
   118.01 : 162.73 = 111.17 : x
2. Step 2: Convert to fraction form
   118.01/162.73 = 111.17/x
3. Step 3: Cross multiply
   118.01x = 162.73 × 111.17
4. Step 4: Simplify right side
   118.01x = 18,091.55
5. Step 5: Solve for x
   x = 18,091.55/118.01
6. Step 6: Final answer
   x = 153.31