Finding the Fourth Proportional to 16,789.70, 25,188.20 and 5,545.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,789.70 : 25,188.20 = 5,545.52 : x
2. Step 2: Convert to fraction form
   16,789.70/25,188.20 = 5,545.52/x
3. Step 3: Cross multiply
   16,789.70x = 25,188.20 × 5,545.52
4. Step 4: Simplify right side
   16,789.70x = 139,681,666.86
5. Step 5: Solve for x
   x = 139,681,666.86/16,789.70
6. Step 6: Final answer
   x = 8,319.49