Finding the Fourth Proportional to 116.42, 160.61 and 67.29

Step by Step Solution

1. Step 1: Write the proportion equation
   116.42 : 160.61 = 67.29 : x
2. Step 2: Convert to fraction form
   116.42/160.61 = 67.29/x
3. Step 3: Cross multiply
   116.42x = 160.61 × 67.29
4. Step 4: Simplify right side
   116.42x = 10,807.62
5. Step 5: Solve for x
   x = 10,807.62/116.42
6. Step 6: Final answer
   x = 92.83