Finding the Fourth Proportional to 7,663.00, 10,576.17 and 7,162.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,663.00 : 10,576.17 = 7,162.72 : x
2. Step 2: Convert to fraction form
   7,663.00/10,576.17 = 7,162.72/x
3. Step 3: Cross multiply
   7,663.00x = 10,576.17 × 7,162.72
4. Step 4: Simplify right side
   7,663.00x = 75,754,108.57
5. Step 5: Solve for x
   x = 75,754,108.57/7,663.00
6. Step 6: Final answer
   x = 9,885.71