Finding the Fourth Proportional to 16,285.86, 22,471.02 and 12,513.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,285.86 : 22,471.02 = 12,513.15 : x
2. Step 2: Convert to fraction form
   16,285.86/22,471.02 = 12,513.15/x
3. Step 3: Cross multiply
   16,285.86x = 22,471.02 × 12,513.15
4. Step 4: Simplify right side
   16,285.86x = 281,183,243.91
5. Step 5: Solve for x
   x = 281,183,243.91/16,285.86
6. Step 6: Final answer
   x = 17,265.48