Finding the Fourth Proportional to 16,304.72, 22,500.14 and 9,231

Step by Step Solution

1. Step 1: Write the proportion equation
   16,304.72 : 22,500.14 = 9,231 : x
2. Step 2: Convert to fraction form
   16,304.72/22,500.14 = 9,231/x
3. Step 3: Cross multiply
   16,304.72x = 22,500.14 × 9,231
4. Step 4: Simplify right side
   16,304.72x = 207,698,792.34
5. Step 5: Solve for x
   x = 207,698,792.34/16,304.72
6. Step 6: Final answer
   x = 12,738.57