Finding the Fourth Proportional to 16,680.69, 25,024.46 and 5,587.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,680.69 : 25,024.46 = 5,587.47 : x
2. Step 2: Convert to fraction form
   16,680.69/25,024.46 = 5,587.47/x
3. Step 3: Cross multiply
   16,680.69x = 25,024.46 × 5,587.47
4. Step 4: Simplify right side
   16,680.69x = 139,823,391.58
5. Step 5: Solve for x
   x = 139,823,391.58/16,680.69
6. Step 6: Final answer
   x = 8,382.35