Finding the Fourth Proportional to 11.37, 15.83 and 11.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11.37 : 15.83 = 11.37 : x
2. Step 2: Convert to fraction form
   11.37/15.83 = 11.37/x
3. Step 3: Cross multiply
   11.37x = 15.83 × 11.37
4. Step 4: Simplify right side
   11.37x = 180.02
5. Step 5: Solve for x
   x = 180.02/11.37
6. Step 6: Final answer
   x = 15.83