Finding the Fourth Proportional to 11,397.16, 17,096.28 and 3,499.36

Step by Step Solution

1. Step 1: Write the proportion equation
   11,397.16 : 17,096.28 = 3,499.36 : x
2. Step 2: Convert to fraction form
   11,397.16/17,096.28 = 3,499.36/x
3. Step 3: Cross multiply
   11,397.16x = 17,096.28 × 3,499.36
4. Step 4: Simplify right side
   11,397.16x = 59,825,982.52
5. Step 5: Solve for x
   x = 59,825,982.52/11,397.16
6. Step 6: Final answer
   x = 5,249.20