Finding the Fourth Proportional to 16,789.54, 25,187.96 and 5,545.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,789.54 : 25,187.96 = 5,545.38 : x
2. Step 2: Convert to fraction form
   16,789.54/25,187.96 = 5,545.38/x
3. Step 3: Cross multiply
   16,789.54x = 25,187.96 × 5,545.38
4. Step 4: Simplify right side
   16,789.54x = 139,676,809.62
5. Step 5: Solve for x
   x = 139,676,809.62/16,789.54
6. Step 6: Final answer
   x = 8,319.28