Finding the Fourth Proportional to 9,618.55, 13,273.55 and 5,369.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,618.55 : 13,273.55 = 5,369.36 : x
2. Step 2: Convert to fraction form
   9,618.55/13,273.55 = 5,369.36/x
3. Step 3: Cross multiply
   9,618.55x = 13,273.55 × 5,369.36
4. Step 4: Simplify right side
   9,618.55x = 71,270,491.36
5. Step 5: Solve for x
   x = 71,270,491.36/9,618.55
6. Step 6: Final answer
   x = 7,409.69