Finding the Fourth Proportional to 16,680.20, 25,020.76 and 5,584.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,680.20 : 25,020.76 = 5,584.82 : x
2. Step 2: Convert to fraction form
   16,680.20/25,020.76 = 5,584.82/x
3. Step 3: Cross multiply
   16,680.20x = 25,020.76 × 5,584.82
4. Step 4: Simplify right side
   16,680.20x = 139,736,440.86
5. Step 5: Solve for x
   x = 139,736,440.86/16,680.20
6. Step 6: Final answer
   x = 8,377.38