Finding the Fourth Proportional to 69.72, 104.52 and 49.37

Step by Step Solution

1. Step 1: Write the proportion equation
   69.72 : 104.52 = 49.37 : x
2. Step 2: Convert to fraction form
   69.72/104.52 = 49.37/x
3. Step 3: Cross multiply
   69.72x = 104.52 × 49.37
4. Step 4: Simplify right side
   69.72x = 5,160.15
5. Step 5: Solve for x
   x = 5,160.15/69.72
6. Step 6: Final answer
   x = 74.01