Finding the Fourth Proportional to 16,591.98, 22,896.69 and 9,518.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,591.98 : 22,896.69 = 9,518.22 : x
2. Step 2: Convert to fraction form
   16,591.98/22,896.69 = 9,518.22/x
3. Step 3: Cross multiply
   16,591.98x = 22,896.69 × 9,518.22
4. Step 4: Simplify right side
   16,591.98x = 217,935,732.69
5. Step 5: Solve for x
   x = 217,935,732.69/16,591.98
6. Step 6: Final answer
   x = 13,135.00