Finding the Fourth Proportional to 12,306.88, 16,983.50 and 7,593.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,306.88 : 16,983.50 = 7,593.89 : x
2. Step 2: Convert to fraction form
   12,306.88/16,983.50 = 7,593.89/x
3. Step 3: Cross multiply
   12,306.88x = 16,983.50 × 7,593.89
4. Step 4: Simplify right side
   12,306.88x = 128,970,792.85
5. Step 5: Solve for x
   x = 128,970,792.85/12,306.88
6. Step 6: Final answer
   x = 10,479.57