Finding the Fourth Proportional to 116.96, 161.42 and 67.83

Step by Step Solution

1. Step 1: Write the proportion equation
   116.96 : 161.42 = 67.83 : x
2. Step 2: Convert to fraction form
   116.96/161.42 = 67.83/x
3. Step 3: Cross multiply
   116.96x = 161.42 × 67.83
4. Step 4: Simplify right side
   116.96x = 10,949.29
5. Step 5: Solve for x
   x = 10,949.29/116.96
6. Step 6: Final answer
   x = 93.62