Finding the Fourth Proportional to 69.57, 104.72 and 52.54

Step by Step Solution

1. Step 1: Write the proportion equation
   69.57 : 104.72 = 52.54 : x
2. Step 2: Convert to fraction form
   69.57/104.72 = 52.54/x
3. Step 3: Cross multiply
   69.57x = 104.72 × 52.54
4. Step 4: Simplify right side
   69.57x = 5,501.46
5. Step 5: Solve for x
   x = 5,501.46/69.57
6. Step 6: Final answer
   x = 79.08