Finding the Fourth Proportional to 16,018.22, 22,105.14 and 9,305.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,018.22 : 22,105.14 = 9,305.12 : x
2. Step 2: Convert to fraction form
   16,018.22/22,105.14 = 9,305.12/x
3. Step 3: Cross multiply
   16,018.22x = 22,105.14 × 9,305.12
4. Step 4: Simplify right side
   16,018.22x = 205,690,980.32
5. Step 5: Solve for x
   x = 205,690,980.32/16,018.22
6. Step 6: Final answer
   x = 12,841.06