Finding the Fourth Proportional to 16,234.77, 22,405.58 and 9,859.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,234.77 : 22,405.58 = 9,859.89 : x
2. Step 2: Convert to fraction form
   16,234.77/22,405.58 = 9,859.89/x
3. Step 3: Cross multiply
   16,234.77x = 22,405.58 × 9,859.89
4. Step 4: Simplify right side
   16,234.77x = 220,916,504.89
5. Step 5: Solve for x
   x = 220,916,504.89/16,234.77
6. Step 6: Final answer
   x = 13,607.62