Finding the Fourth Proportional to 116.32, 160.82 and 111.22

Step by Step Solution

1. Step 1: Write the proportion equation
   116.32 : 160.82 = 111.22 : x
2. Step 2: Convert to fraction form
   116.32/160.82 = 111.22/x
3. Step 3: Cross multiply
   116.32x = 160.82 × 111.22
4. Step 4: Simplify right side
   116.32x = 17,885.04
5. Step 5: Solve for x
   x = 17,885.04/116.32
6. Step 6: Final answer
   x = 153.76