Finding the Fourth Proportional to 16,676.79, 25,017.30 and 5,591.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,676.79 : 25,017.30 = 5,591.49 : x
2. Step 2: Convert to fraction form
   16,676.79/25,017.30 = 5,591.49/x
3. Step 3: Cross multiply
   16,676.79x = 25,017.30 × 5,591.49
4. Step 4: Simplify right side
   16,676.79x = 139,883,982.78
5. Step 5: Solve for x
   x = 139,883,982.78/16,676.79
6. Step 6: Final answer
   x = 8,387.94