Finding the Fourth Proportional to 13,411.47, 20,104.25 and 5,616.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,411.47 : 20,104.25 = 5,616.03 : x
2. Step 2: Convert to fraction form
   13,411.47/20,104.25 = 5,616.03/x
3. Step 3: Cross multiply
   13,411.47x = 20,104.25 × 5,616.03
4. Step 4: Simplify right side
   13,411.47x = 112,906,043.05
5. Step 5: Solve for x
   x = 112,906,043.05/13,411.47
6. Step 6: Final answer
   x = 8,418.62