Finding the Fourth Proportional to 16,313.34, 22,513.98 and 9,143.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,313.34 : 22,513.98 = 9,143.22 : x
2. Step 2: Convert to fraction form
   16,313.34/22,513.98 = 9,143.22/x
3. Step 3: Cross multiply
   16,313.34x = 22,513.98 × 9,143.22
4. Step 4: Simplify right side
   16,313.34x = 205,850,226.50
5. Step 5: Solve for x
   x = 205,850,226.50/16,313.34
6. Step 6: Final answer
   x = 12,618.52