Finding the Fourth Proportional to 16,545.61, 22,856.18 and 15,050.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,545.61 : 22,856.18 = 15,050.89 : x
2. Step 2: Convert to fraction form
   16,545.61/22,856.18 = 15,050.89/x
3. Step 3: Cross multiply
   16,545.61x = 22,856.18 × 15,050.89
4. Step 4: Simplify right side
   16,545.61x = 344,005,718.61
5. Step 5: Solve for x
   x = 344,005,718.61/16,545.61
6. Step 6: Final answer
   x = 20,791.36