Finding the Fourth Proportional to 9,610.48, 13,262.70 and 5,419

Step by Step Solution

1. Step 1: Write the proportion equation
   9,610.48 : 13,262.70 = 5,419 : x
2. Step 2: Convert to fraction form
   9,610.48/13,262.70 = 5,419/x
3. Step 3: Cross multiply
   9,610.48x = 13,262.70 × 5,419
4. Step 4: Simplify right side
   9,610.48x = 71,870,571.30
5. Step 5: Solve for x
   x = 71,870,571.30/9,610.48
6. Step 6: Final answer
   x = 7,478.35