Finding the Fourth Proportional to 16,278.80, 22,456.31 and 10,300.19

Step by Step Solution

1. Step 1: Write the proportion equation
   16,278.80 : 22,456.31 = 10,300.19 : x
2. Step 2: Convert to fraction form
   16,278.80/22,456.31 = 10,300.19/x
3. Step 3: Cross multiply
   16,278.80x = 22,456.31 × 10,300.19
4. Step 4: Simplify right side
   16,278.80x = 231,304,095.92
5. Step 5: Solve for x
   x = 231,304,095.92/16,278.80
6. Step 6: Final answer
   x = 14,208.92