Finding the Fourth Proportional to 9,315.48, 12,855.94 and 5,336.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,315.48 : 12,855.94 = 5,336.48 : x
2. Step 2: Convert to fraction form
   9,315.48/12,855.94 = 5,336.48/x
3. Step 3: Cross multiply
   9,315.48x = 12,855.94 × 5,336.48
4. Step 4: Simplify right side
   9,315.48x = 68,605,466.69
5. Step 5: Solve for x
   x = 68,605,466.69/9,315.48
6. Step 6: Final answer
   x = 7,364.67