Finding the Fourth Proportional to 16,930, 23,363.40 and 10,306

Step by Step Solution

1. Step 1: Write the proportion equation
   16,930 : 23,363.40 = 10,306 : x
2. Step 2: Convert to fraction form
   16,930/23,363.40 = 10,306/x
3. Step 3: Cross multiply
   16,930x = 23,363.40 × 10,306
4. Step 4: Simplify right side
   16,930x = 240,783,200.40
5. Step 5: Solve for x
   x = 240,783,200.40/16,930
6. Step 6: Final answer
   x = 14,222.28