Finding the Fourth Proportional to 10,711.89, 14,766.67 and 7,515.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,711.89 : 14,766.67 = 7,515.49 : x
2. Step 2: Convert to fraction form
   10,711.89/14,766.67 = 7,515.49/x
3. Step 3: Cross multiply
   10,711.89x = 14,766.67 × 7,515.49
4. Step 4: Simplify right side
   10,711.89x = 110,978,760.72
5. Step 5: Solve for x
   x = 110,978,760.72/10,711.89
6. Step 6: Final answer
   x = 10,360.33