Finding the Fourth Proportional to 11,399.27, 17,101.33 and 3,608.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,399.27 : 17,101.33 = 3,608.15 : x
2. Step 2: Convert to fraction form
   11,399.27/17,101.33 = 3,608.15/x
3. Step 3: Cross multiply
   11,399.27x = 17,101.33 × 3,608.15
4. Step 4: Simplify right side
   11,399.27x = 61,704,069.31
5. Step 5: Solve for x
   x = 61,704,069.31/11,399.27
6. Step 6: Final answer
   x = 5,412.99