Finding the Fourth Proportional to 11,061.09, 16,589.88 and 3,665.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,061.09 : 16,589.88 = 3,665.25 : x
2. Step 2: Convert to fraction form
   11,061.09/16,589.88 = 3,665.25/x
3. Step 3: Cross multiply
   11,061.09x = 16,589.88 × 3,665.25
4. Step 4: Simplify right side
   11,061.09x = 60,806,057.67
5. Step 5: Solve for x
   x = 60,806,057.67/11,061.09
6. Step 6: Final answer
   x = 5,497.29