Finding the Fourth Proportional to 108.50, 162.72 and 62.91

Step by Step Solution

1. Step 1: Write the proportion equation
   108.50 : 162.72 = 62.91 : x
2. Step 2: Convert to fraction form
   108.50/162.72 = 62.91/x
3. Step 3: Cross multiply
   108.50x = 162.72 × 62.91
4. Step 4: Simplify right side
   108.50x = 10,236.72
5. Step 5: Solve for x
   x = 10,236.72/108.50
6. Step 6: Final answer
   x = 94.35