Finding the Fourth Proportional to 9,618.68, 13,273.72 and 5,369.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,618.68 : 13,273.72 = 5,369.49 : x
2. Step 2: Convert to fraction form
   9,618.68/13,273.72 = 5,369.49/x
3. Step 3: Cross multiply
   9,618.68x = 13,273.72 × 5,369.49
4. Step 4: Simplify right side
   9,618.68x = 71,273,079.96
5. Step 5: Solve for x
   x = 71,273,079.96/9,618.68
6. Step 6: Final answer
   x = 7,409.86