Finding the Fourth Proportional to 16,469.47, 22,722.18 and 9,298.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,469.47 : 22,722.18 = 9,298.49 : x
2. Step 2: Convert to fraction form
   16,469.47/22,722.18 = 9,298.49/x
3. Step 3: Cross multiply
   16,469.47x = 22,722.18 × 9,298.49
4. Step 4: Simplify right side
   16,469.47x = 211,281,849.90
5. Step 5: Solve for x
   x = 211,281,849.90/16,469.47
6. Step 6: Final answer
   x = 12,828.70