Finding the Fourth Proportional to 12,306.38, 16,982.81 and 7,593.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,306.38 : 16,982.81 = 7,593.39 : x
2. Step 2: Convert to fraction form
   12,306.38/16,982.81 = 7,593.39/x
3. Step 3: Cross multiply
   12,306.38x = 16,982.81 × 7,593.39
4. Step 4: Simplify right side
   12,306.38x = 128,957,061.66
5. Step 5: Solve for x
   x = 128,957,061.66/12,306.38
6. Step 6: Final answer
   x = 10,478.88