Finding the Fourth Proportional to 103.52, 155.55 and 69.37

Step by Step Solution

1. Step 1: Write the proportion equation
   103.52 : 155.55 = 69.37 : x
2. Step 2: Convert to fraction form
   103.52/155.55 = 69.37/x
3. Step 3: Cross multiply
   103.52x = 155.55 × 69.37
4. Step 4: Simplify right side
   103.52x = 10,790.50
5. Step 5: Solve for x
   x = 10,790.50/103.52
6. Step 6: Final answer
   x = 104.24