Finding the Fourth Proportional to 105.98, 158.95 and 65.37

Step by Step Solution

1. Step 1: Write the proportion equation
   105.98 : 158.95 = 65.37 : x
2. Step 2: Convert to fraction form
   105.98/158.95 = 65.37/x
3. Step 3: Cross multiply
   105.98x = 158.95 × 65.37
4. Step 4: Simplify right side
   105.98x = 10,389.44
5. Step 5: Solve for x
   x = 10,389.44/105.98
6. Step 6: Final answer
   x = 98.03