Finding the Fourth Proportional to 16,283.62, 22,481.48 and 12,499.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,283.62 : 22,481.48 = 12,499.54 : x
2. Step 2: Convert to fraction form
   16,283.62/22,481.48 = 12,499.54/x
3. Step 3: Cross multiply
   16,283.62x = 22,481.48 × 12,499.54
4. Step 4: Simplify right side
   16,283.62x = 281,008,158.52
5. Step 5: Solve for x
   x = 281,008,158.52/16,283.62
6. Step 6: Final answer
   x = 17,257.11