Finding the Fourth Proportional to 16,281.74, 22,469.00 and 9,112.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,281.74 : 22,469.00 = 9,112.10 : x
2. Step 2: Convert to fraction form
   16,281.74/22,469.00 = 9,112.10/x
3. Step 3: Cross multiply
   16,281.74x = 22,469.00 × 9,112.10
4. Step 4: Simplify right side
   16,281.74x = 204,739,616.99
5. Step 5: Solve for x
   x = 204,739,616.99/16,281.74
6. Step 6: Final answer
   x = 12,574.80