Finding the Fourth Proportional to 116.57, 160.83 and 67.43

Step by Step Solution

1. Step 1: Write the proportion equation
   116.57 : 160.83 = 67.43 : x
2. Step 2: Convert to fraction form
   116.57/160.83 = 67.43/x
3. Step 3: Cross multiply
   116.57x = 160.83 × 67.43
4. Step 4: Simplify right side
   116.57x = 10,843.96
5. Step 5: Solve for x
   x = 10,843.96/116.57
6. Step 6: Final answer
   x = 93.03