Finding the Fourth Proportional to 16,864.34, 23,269.17 and 9,786.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,864.34 : 23,269.17 = 9,786.96 : x
2. Step 2: Convert to fraction form
   16,864.34/23,269.17 = 9,786.96/x
3. Step 3: Cross multiply
   16,864.34x = 23,269.17 × 9,786.96
4. Step 4: Simplify right side
   16,864.34x = 227,734,436.02
5. Step 5: Solve for x
   x = 227,734,436.02/16,864.34
6. Step 6: Final answer
   x = 13,503.91