Finding the Fourth Proportional to 7,679.50, 10,589.88 and 7,233.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,679.50 : 10,589.88 = 7,233.10 : x
2. Step 2: Convert to fraction form
   7,679.50/10,589.88 = 7,233.10/x
3. Step 3: Cross multiply
   7,679.50x = 10,589.88 × 7,233.10
4. Step 4: Simplify right side
   7,679.50x = 76,597,661.03
5. Step 5: Solve for x
   x = 76,597,661.03/7,679.50
6. Step 6: Final answer
   x = 9,974.30