Finding the Fourth Proportional to 100.25, 150.22 and 69.36

Step by Step Solution

1. Step 1: Write the proportion equation
   100.25 : 150.22 = 69.36 : x
2. Step 2: Convert to fraction form
   100.25/150.22 = 69.36/x
3. Step 3: Cross multiply
   100.25x = 150.22 × 69.36
4. Step 4: Simplify right side
   100.25x = 10,419.91
5. Step 5: Solve for x
   x = 10,419.91/100.25
6. Step 6: Final answer
   x = 103.94