Finding the Fourth Proportional to 16,863.58, 25,289.16 and 5,616.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,863.58 : 25,289.16 = 5,616.82 : x
2. Step 2: Convert to fraction form
   16,863.58/25,289.16 = 5,616.82/x
3. Step 3: Cross multiply
   16,863.58x = 25,289.16 × 5,616.82
4. Step 4: Simplify right side
   16,863.58x = 142,044,659.67
5. Step 5: Solve for x
   x = 142,044,659.67/16,863.58
6. Step 6: Final answer
   x = 8,423.16