Finding the Fourth Proportional to 116.50, 160.79 and 67.39

Step by Step Solution

1. Step 1: Write the proportion equation
   116.50 : 160.79 = 67.39 : x
2. Step 2: Convert to fraction form
   116.50/160.79 = 67.39/x
3. Step 3: Cross multiply
   116.50x = 160.79 × 67.39
4. Step 4: Simplify right side
   116.50x = 10,835.64
5. Step 5: Solve for x
   x = 10,835.64/116.50
6. Step 6: Final answer
   x = 93.01