Finding the Fourth Proportional to 7,662.50, 10,575.48 and 7,162.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,662.50 : 10,575.48 = 7,162.22 : x
2. Step 2: Convert to fraction form
   7,662.50/10,575.48 = 7,162.22/x
3. Step 3: Cross multiply
   7,662.50x = 10,575.48 × 7,162.22
4. Step 4: Simplify right side
   7,662.50x = 75,743,878.55
5. Step 5: Solve for x
   x = 75,743,878.55/7,662.50
6. Step 6: Final answer
   x = 9,885.02