Finding the Fourth Proportional to 11,724.69, 17,588.13 and 3,404.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,724.69 : 17,588.13 = 3,404.37 : x
2. Step 2: Convert to fraction form
   11,724.69/17,588.13 = 3,404.37/x
3. Step 3: Cross multiply
   11,724.69x = 17,588.13 × 3,404.37
4. Step 4: Simplify right side
   11,724.69x = 59,876,502.13
5. Step 5: Solve for x
   x = 59,876,502.13/11,724.69
6. Step 6: Final answer
   x = 5,106.87