Finding the Fourth Proportional to 16,173.09, 22,318.30 and 9,002.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,173.09 : 22,318.30 = 9,002.77 : x
2. Step 2: Convert to fraction form
   16,173.09/22,318.30 = 9,002.77/x
3. Step 3: Cross multiply
   16,173.09x = 22,318.30 × 9,002.77
4. Step 4: Simplify right side
   16,173.09x = 200,926,521.69
5. Step 5: Solve for x
   x = 200,926,521.69/16,173.09
6. Step 6: Final answer
   x = 12,423.51