Finding the Fourth Proportional to 10.25, 15.37 and 3.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10.25 : 15.37 = 3.49 : x
2. Step 2: Convert to fraction form
   10.25/15.37 = 3.49/x
3. Step 3: Cross multiply
   10.25x = 15.37 × 3.49
4. Step 4: Simplify right side
   10.25x = 53.59
5. Step 5: Solve for x
   x = 53.59/10.25
6. Step 6: Final answer
   x = 5.23