Finding the Fourth Proportional to 103.82, 155.98 and 65.37

Step by Step Solution

1. Step 1: Write the proportion equation
   103.82 : 155.98 = 65.37 : x
2. Step 2: Convert to fraction form
   103.82/155.98 = 65.37/x
3. Step 3: Cross multiply
   103.82x = 155.98 × 65.37
4. Step 4: Simplify right side
   103.82x = 10,196.83
5. Step 5: Solve for x
   x = 10,196.83/103.82
6. Step 6: Final answer
   x = 98.22