Finding the Fourth Proportional to 105.83, 146.16 and 94.38

Step by Step Solution

1. Step 1: Write the proportion equation
   105.83 : 146.16 = 94.38 : x
2. Step 2: Convert to fraction form
   105.83/146.16 = 94.38/x
3. Step 3: Cross multiply
   105.83x = 146.16 × 94.38
4. Step 4: Simplify right side
   105.83x = 13,794.03
5. Step 5: Solve for x
   x = 13,794.03/105.83
6. Step 6: Final answer
   x = 130.34