Finding the Fourth Proportional to 16,028.14, 22,111.63 and 9,310.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,028.14 : 22,111.63 = 9,310.12 : x
2. Step 2: Convert to fraction form
   16,028.14/22,111.63 = 9,310.12/x
3. Step 3: Cross multiply
   16,028.14x = 22,111.63 × 9,310.12
4. Step 4: Simplify right side
   16,028.14x = 205,861,928.70
5. Step 5: Solve for x
   x = 205,861,928.70/16,028.14
6. Step 6: Final answer
   x = 12,843.78