Finding the Fourth Proportional to 116.38, 160.61 and 67.25

Step by Step Solution

1. Step 1: Write the proportion equation
   116.38 : 160.61 = 67.25 : x
2. Step 2: Convert to fraction form
   116.38/160.61 = 67.25/x
3. Step 3: Cross multiply
   116.38x = 160.61 × 67.25
4. Step 4: Simplify right side
   116.38x = 10,800.69
5. Step 5: Solve for x
   x = 10,800.69/116.38
6. Step 6: Final answer
   x = 92.81