Finding the Fourth Proportional to 9,618.47, 13,273.50 and 5,369.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,618.47 : 13,273.50 = 5,369.77 : x
2. Step 2: Convert to fraction form
   9,618.47/13,273.50 = 5,369.77/x
3. Step 3: Cross multiply
   9,618.47x = 13,273.50 × 5,369.77
4. Step 4: Simplify right side
   9,618.47x = 71,275,596.18
5. Step 5: Solve for x
   x = 71,275,596.18/9,618.47
6. Step 6: Final answer
   x = 7,410.28