Finding the Fourth Proportional to 106.25, 146.52 and 69.39

Step by Step Solution

1. Step 1: Write the proportion equation
   106.25 : 146.52 = 69.39 : x
2. Step 2: Convert to fraction form
   106.25/146.52 = 69.39/x
3. Step 3: Cross multiply
   106.25x = 146.52 × 69.39
4. Step 4: Simplify right side
   106.25x = 10,167.02
5. Step 5: Solve for x
   x = 10,167.02/106.25
6. Step 6: Final answer
   x = 95.69