Finding the Fourth Proportional to 105.78, 146.01 and 94.84

Step by Step Solution

1. Step 1: Write the proportion equation
   105.78 : 146.01 = 94.84 : x
2. Step 2: Convert to fraction form
   105.78/146.01 = 94.84/x
3. Step 3: Cross multiply
   105.78x = 146.01 × 94.84
4. Step 4: Simplify right side
   105.78x = 13,847.59
5. Step 5: Solve for x
   x = 13,847.59/105.78
6. Step 6: Final answer
   x = 130.91