Finding the Fourth Proportional to 16,118.60, 22,243.02 and 9,404.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,118.60 : 22,243.02 = 9,404.42 : x
2. Step 2: Convert to fraction form
   16,118.60/22,243.02 = 9,404.42/x
3. Step 3: Cross multiply
   16,118.60x = 22,243.02 × 9,404.42
4. Step 4: Simplify right side
   16,118.60x = 209,182,702.15
5. Step 5: Solve for x
   x = 209,182,702.15/16,118.60
6. Step 6: Final answer
   x = 12,977.72