Finding the Fourth Proportional to 7,606.20, 10,490.00 and 7,163.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,606.20 : 10,490.00 = 7,163.34 : x
2. Step 2: Convert to fraction form
   7,606.20/10,490.00 = 7,163.34/x
3. Step 3: Cross multiply
   7,606.20x = 10,490.00 × 7,163.34
4. Step 4: Simplify right side
   7,606.20x = 75,143,400.78
5. Step 5: Solve for x
   x = 75,143,400.78/7,606.20
6. Step 6: Final answer
   x = 9,879.23