Finding the Fourth Proportional to 16,256.96, 22,434.33 and 9,087.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,256.96 : 22,434.33 = 9,087.05 : x
2. Step 2: Convert to fraction form
   16,256.96/22,434.33 = 9,087.05/x
3. Step 3: Cross multiply
   16,256.96x = 22,434.33 × 9,087.05
4. Step 4: Simplify right side
   16,256.96x = 203,861,878.43
5. Step 5: Solve for x
   x = 203,861,878.43/16,256.96
6. Step 6: Final answer
   x = 12,539.98