Finding the Fourth Proportional to 106.33, 146.73 and 69.49

Step by Step Solution

1. Step 1: Write the proportion equation
   106.33 : 146.73 = 69.49 : x
2. Step 2: Convert to fraction form
   106.33/146.73 = 69.49/x
3. Step 3: Cross multiply
   106.33x = 146.73 × 69.49
4. Step 4: Simplify right side
   106.33x = 10,196.27
5. Step 5: Solve for x
   x = 10,196.27/106.33
6. Step 6: Final answer
   x = 95.89