Finding the Fourth Proportional to 16,253.46, 22,429.98 and 9,180

Step by Step Solution

1. Step 1: Write the proportion equation
   16,253.46 : 22,429.98 = 9,180 : x
2. Step 2: Convert to fraction form
   16,253.46/22,429.98 = 9,180/x
3. Step 3: Cross multiply
   16,253.46x = 22,429.98 × 9,180
4. Step 4: Simplify right side
   16,253.46x = 205,907,216.40
5. Step 5: Solve for x
   x = 205,907,216.40/16,253.46
6. Step 6: Final answer
   x = 12,668.52