Finding the Fourth Proportional to 8,717.27, 12,061.50 and 7,600.53

Step by Step Solution

1. Step 1: Write the proportion equation
   8,717.27 : 12,061.50 = 7,600.53 : x
2. Step 2: Convert to fraction form
   8,717.27/12,061.50 = 7,600.53/x
3. Step 3: Cross multiply
   8,717.27x = 12,061.50 × 7,600.53
4. Step 4: Simplify right side
   8,717.27x = 91,673,792.60
5. Step 5: Solve for x
   x = 91,673,792.60/8,717.27
6. Step 6: Final answer
   x = 10,516.34