Finding the Fourth Proportional to 16,595.15, 22,901.31 and 9,143.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,595.15 : 22,901.31 = 9,143.15 : x
2. Step 2: Convert to fraction form
   16,595.15/22,901.31 = 9,143.15/x
3. Step 3: Cross multiply
   16,595.15x = 22,901.31 × 9,143.15
4. Step 4: Simplify right side
   16,595.15x = 209,389,998.02
5. Step 5: Solve for x
   x = 209,389,998.02/16,595.15
6. Step 6: Final answer
   x = 12,617.55