Finding the Fourth Proportional to 117.72, 162.46 and 67.94

Step by Step Solution

1. Step 1: Write the proportion equation
   117.72 : 162.46 = 67.94 : x
2. Step 2: Convert to fraction form
   117.72/162.46 = 67.94/x
3. Step 3: Cross multiply
   117.72x = 162.46 × 67.94
4. Step 4: Simplify right side
   117.72x = 11,037.03
5. Step 5: Solve for x
   x = 11,037.03/117.72
6. Step 6: Final answer
   x = 93.76