Finding the Fourth Proportional to 7,662.24, 10,574.64 and 5,010.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,662.24 : 10,574.64 = 5,010.72 : x
2. Step 2: Convert to fraction form
   7,662.24/10,574.64 = 5,010.72/x
3. Step 3: Cross multiply
   7,662.24x = 10,574.64 × 5,010.72
4. Step 4: Simplify right side
   7,662.24x = 52,986,560.14
5. Step 5: Solve for x
   x = 52,986,560.14/7,662.24
6. Step 6: Final answer
   x = 6,915.28