Finding the Fourth Proportional to 116.82, 160.92 and 111.06

Step by Step Solution

1. Step 1: Write the proportion equation
   116.82 : 160.92 = 111.06 : x
2. Step 2: Convert to fraction form
   116.82/160.92 = 111.06/x
3. Step 3: Cross multiply
   116.82x = 160.92 × 111.06
4. Step 4: Simplify right side
   116.82x = 17,871.78
5. Step 5: Solve for x
   x = 17,871.78/116.82
6. Step 6: Final answer
   x = 152.99