Finding the Fourth Proportional to 16,057.84, 22,160.22 and 8,984.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,057.84 : 22,160.22 = 8,984.20 : x
2. Step 2: Convert to fraction form
   16,057.84/22,160.22 = 8,984.20/x
3. Step 3: Cross multiply
   16,057.84x = 22,160.22 × 8,984.20
4. Step 4: Simplify right side
   16,057.84x = 199,091,848.52
5. Step 5: Solve for x
   x = 199,091,848.52/16,057.84
6. Step 6: Final answer
   x = 12,398.42