Finding the Fourth Proportional to 16,018.45, 22,114.10 and 9,646.58

Step by Step Solution

1. Step 1: Write the proportion equation
   16,018.45 : 22,114.10 = 9,646.58 : x
2. Step 2: Convert to fraction form
   16,018.45/22,114.10 = 9,646.58/x
3. Step 3: Cross multiply
   16,018.45x = 22,114.10 × 9,646.58
4. Step 4: Simplify right side
   16,018.45x = 213,325,514.18
5. Step 5: Solve for x
   x = 213,325,514.18/16,018.45
6. Step 6: Final answer
   x = 13,317.49