Finding the Fourth Proportional to 16,160.50, 22,301.62 and 8,990.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,160.50 : 22,301.62 = 8,990.52 : x
2. Step 2: Convert to fraction form
   16,160.50/22,301.62 = 8,990.52/x
3. Step 3: Cross multiply
   16,160.50x = 22,301.62 × 8,990.52
4. Step 4: Simplify right side
   16,160.50x = 200,503,160.64
5. Step 5: Solve for x
   x = 200,503,160.64/16,160.50
6. Step 6: Final answer
   x = 12,406.99