Finding the Fourth Proportional to 16,283.36, 22,481.15 and 12,499.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,283.36 : 22,481.15 = 12,499.29 : x
2. Step 2: Convert to fraction form
   16,283.36/22,481.15 = 12,499.29/x
3. Step 3: Cross multiply
   16,283.36x = 22,481.15 × 12,499.29
4. Step 4: Simplify right side
   16,283.36x = 280,998,350.89
5. Step 5: Solve for x
   x = 280,998,350.89/16,283.36
6. Step 6: Final answer
   x = 17,256.78