Finding the Fourth Proportional to 105.94, 159.00 and 65.39

Step by Step Solution

1. Step 1: Write the proportion equation
   105.94 : 159.00 = 65.39 : x
2. Step 2: Convert to fraction form
   105.94/159.00 = 65.39/x
3. Step 3: Cross multiply
   105.94x = 159.00 × 65.39
4. Step 4: Simplify right side
   105.94x = 10,397.16
5. Step 5: Solve for x
   x = 10,397.16/105.94
6. Step 6: Final answer
   x = 98.14