Finding the Fourth Proportional to 16,028.27, 22,120.31 and 8,858.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,028.27 : 22,120.31 = 8,858.82 : x
2. Step 2: Convert to fraction form
   16,028.27/22,120.31 = 8,858.82/x
3. Step 3: Cross multiply
   16,028.27x = 22,120.31 × 8,858.82
4. Step 4: Simplify right side
   16,028.27x = 195,959,800.34
5. Step 5: Solve for x
   x = 195,959,800.34/16,028.27
6. Step 6: Final answer
   x = 12,225.89