Finding the Fourth Proportional to 105.83, 158.81 and 65.24

Step by Step Solution

1. Step 1: Write the proportion equation
   105.83 : 158.81 = 65.24 : x
2. Step 2: Convert to fraction form
   105.83/158.81 = 65.24/x
3. Step 3: Cross multiply
   105.83x = 158.81 × 65.24
4. Step 4: Simplify right side
   105.83x = 10,360.76
5. Step 5: Solve for x
   x = 10,360.76/105.83
6. Step 6: Final answer
   x = 97.90