Finding the Fourth Proportional to 116.34, 160.56 and 67.24

Step by Step Solution

1. Step 1: Write the proportion equation
   116.34 : 160.56 = 67.24 : x
2. Step 2: Convert to fraction form
   116.34/160.56 = 67.24/x
3. Step 3: Cross multiply
   116.34x = 160.56 × 67.24
4. Step 4: Simplify right side
   116.34x = 10,796.05
5. Step 5: Solve for x
   x = 10,796.05/116.34
6. Step 6: Final answer
   x = 92.80