Finding the Fourth Proportional to 16,259.58, 22,435.18 and 10,287.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,259.58 : 22,435.18 = 10,287.06 : x
2. Step 2: Convert to fraction form
   16,259.58/22,435.18 = 10,287.06/x
3. Step 3: Cross multiply
   16,259.58x = 22,435.18 × 10,287.06
4. Step 4: Simplify right side
   16,259.58x = 230,792,042.77
5. Step 5: Solve for x
   x = 230,792,042.77/16,259.58
6. Step 6: Final answer
   x = 14,194.22