Finding the Fourth Proportional to 16,873.29, 23,286.42 and 12,417.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,873.29 : 23,286.42 = 12,417.48 : x
2. Step 2: Convert to fraction form
   16,873.29/23,286.42 = 12,417.48/x
3. Step 3: Cross multiply
   16,873.29x = 23,286.42 × 12,417.48
4. Step 4: Simplify right side
   16,873.29x = 289,158,654.62
5. Step 5: Solve for x
   x = 289,158,654.62/16,873.29
6. Step 6: Final answer
   x = 17,137.06