Finding the Fourth Proportional to 16,665.52, 22,998.36 and 9,213.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,665.52 : 22,998.36 = 9,213.52 : x
2. Step 2: Convert to fraction form
   16,665.52/22,998.36 = 9,213.52/x
3. Step 3: Cross multiply
   16,665.52x = 22,998.36 × 9,213.52
4. Step 4: Simplify right side
   16,665.52x = 211,895,849.83
5. Step 5: Solve for x
   x = 211,895,849.83/16,665.52
6. Step 6: Final answer
   x = 12,714.63