Finding the Fourth Proportional to 11,709.23, 17,564.76 and 3,389.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,709.23 : 17,564.76 = 3,389.37 : x
2. Step 2: Convert to fraction form
   11,709.23/17,564.76 = 3,389.37/x
3. Step 3: Cross multiply
   11,709.23x = 17,564.76 × 3,389.37
4. Step 4: Simplify right side
   11,709.23x = 59,533,527.22
5. Step 5: Solve for x
   x = 59,533,527.22/11,709.23
6. Step 6: Final answer
   x = 5,084.32