Finding the Fourth Proportional to 9,328.14, 12,871.91 and 5,550.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,328.14 : 12,871.91 = 5,550.17 : x
2. Step 2: Convert to fraction form
   9,328.14/12,871.91 = 5,550.17/x
3. Step 3: Cross multiply
   9,328.14x = 12,871.91 × 5,550.17
4. Step 4: Simplify right side
   9,328.14x = 71,441,238.24
5. Step 5: Solve for x
   x = 71,441,238.24/9,328.14
6. Step 6: Final answer
   x = 7,658.68