Finding the Fourth Proportional to 10.29, 15.42 and 3.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10.29 : 15.42 = 3.52 : x
2. Step 2: Convert to fraction form
   10.29/15.42 = 3.52/x
3. Step 3: Cross multiply
   10.29x = 15.42 × 3.52
4. Step 4: Simplify right side
   10.29x = 54.34
5. Step 5: Solve for x
   x = 54.34/10.29
6. Step 6: Final answer
   x = 5.28