Finding the Fourth Proportional to 9,618.49, 13,273.56 and 5,369.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,618.49 : 13,273.56 = 5,369.48 : x
2. Step 2: Convert to fraction form
   9,618.49/13,273.56 = 5,369.48/x
3. Step 3: Cross multiply
   9,618.49x = 13,273.56 × 5,369.48
4. Step 4: Simplify right side
   9,618.49x = 71,272,021.73
5. Step 5: Solve for x
   x = 71,272,021.73/9,618.49
6. Step 6: Final answer
   x = 7,409.90