Finding the Fourth Proportional to 108.34, 162.42 and 65.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108.34 : 162.42 = 65.50 : x
2. Step 2: Convert to fraction form
   108.34/162.42 = 65.50/x
3. Step 3: Cross multiply
   108.34x = 162.42 × 65.50
4. Step 4: Simplify right side
   108.34x = 10,638.51
5. Step 5: Solve for x
   x = 10,638.51/108.34
6. Step 6: Final answer
   x = 98.20