Finding the Fourth Proportional to 105.93, 146.12 and 67.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105.93 : 146.12 = 67.10 : x
2. Step 2: Convert to fraction form
   105.93/146.12 = 67.10/x
3. Step 3: Cross multiply
   105.93x = 146.12 × 67.10
4. Step 4: Simplify right side
   105.93x = 9,803.59
5. Step 5: Solve for x
   x = 9,803.59/105.93
6. Step 6: Final answer
   x = 92.55