Finding the Fourth Proportional to 11,399.16, 17,097.30 and 3,608.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,399.16 : 17,097.30 = 3,608.04 : x
2. Step 2: Convert to fraction form
   11,399.16/17,097.30 = 3,608.04/x
3. Step 3: Cross multiply
   11,399.16x = 17,097.30 × 3,608.04
4. Step 4: Simplify right side
   11,399.16x = 61,687,742.29
5. Step 5: Solve for x
   x = 61,687,742.29/11,399.16
6. Step 6: Final answer
   x = 5,411.60