Finding the Fourth Proportional to 11.30, 15.59 and 10.14

Step by Step Solution

1. Step 1: Write the proportion equation
   11.30 : 15.59 = 10.14 : x
2. Step 2: Convert to fraction form
   11.30/15.59 = 10.14/x
3. Step 3: Cross multiply
   11.30x = 15.59 × 10.14
4. Step 4: Simplify right side
   11.30x = 158.08
5. Step 5: Solve for x
   x = 158.08/11.30
6. Step 6: Final answer
   x = 13.99