Finding the Fourth Proportional to 11,022.94, 16,513.55 and 8,545.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,022.94 : 16,513.55 = 8,545.62 : x
2. Step 2: Convert to fraction form
   11,022.94/16,513.55 = 8,545.62/x
3. Step 3: Cross multiply
   11,022.94x = 16,513.55 × 8,545.62
4. Step 4: Simplify right side
   11,022.94x = 141,118,523.15
5. Step 5: Solve for x
   x = 141,118,523.15/11,022.94
6. Step 6: Final answer
   x = 12,802.26