Finding the Fourth Proportional to 10,715.37, 14,771.49 and 7,518.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,715.37 : 14,771.49 = 7,518.99 : x
2. Step 2: Convert to fraction form
   10,715.37/14,771.49 = 7,518.99/x
3. Step 3: Cross multiply
   10,715.37x = 14,771.49 × 7,518.99
4. Step 4: Simplify right side
   10,715.37x = 111,066,685.60
5. Step 5: Solve for x
   x = 111,066,685.60/10,715.37
6. Step 6: Final answer
   x = 10,365.18