Finding the Fourth Proportional to 116.29, 160.50 and 67.18

Step by Step Solution

1. Step 1: Write the proportion equation
   116.29 : 160.50 = 67.18 : x
2. Step 2: Convert to fraction form
   116.29/160.50 = 67.18/x
3. Step 3: Cross multiply
   116.29x = 160.50 × 67.18
4. Step 4: Simplify right side
   116.29x = 10,782.39
5. Step 5: Solve for x
   x = 10,782.39/116.29
6. Step 6: Final answer
   x = 92.72