Finding the Fourth Proportional to 16,411.04, 22,649.46 and 9,338.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,411.04 : 22,649.46 = 9,338.12 : x
2. Step 2: Convert to fraction form
   16,411.04/22,649.46 = 9,338.12/x
3. Step 3: Cross multiply
   16,411.04x = 22,649.46 × 9,338.12
4. Step 4: Simplify right side
   16,411.04x = 211,503,375.42
5. Step 5: Solve for x
   x = 211,503,375.42/16,411.04
6. Step 6: Final answer
   x = 12,887.87