Finding the Fourth Proportional to 11,396.69, 17,089.38 and 3,497.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,396.69 : 17,089.38 = 3,497.31 : x
2. Step 2: Convert to fraction form
   11,396.69/17,089.38 = 3,497.31/x
3. Step 3: Cross multiply
   11,396.69x = 17,089.38 × 3,497.31
4. Step 4: Simplify right side
   11,396.69x = 59,766,859.57
5. Step 5: Solve for x
   x = 59,766,859.57/11,396.69
6. Step 6: Final answer
   x = 5,244.23