Finding the Fourth Proportional to 116.25, 160.41 and 67.12

Step by Step Solution

1. Step 1: Write the proportion equation
   116.25 : 160.41 = 67.12 : x
2. Step 2: Convert to fraction form
   116.25/160.41 = 67.12/x
3. Step 3: Cross multiply
   116.25x = 160.41 × 67.12
4. Step 4: Simplify right side
   116.25x = 10,766.72
5. Step 5: Solve for x
   x = 10,766.72/116.25
6. Step 6: Final answer
   x = 92.62