Finding the Fourth Proportional to 9,354.24, 12,908.92 and 5,105.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,354.24 : 12,908.92 = 5,105.33 : x
2. Step 2: Convert to fraction form
   9,354.24/12,908.92 = 5,105.33/x
3. Step 3: Cross multiply
   9,354.24x = 12,908.92 × 5,105.33
4. Step 4: Simplify right side
   9,354.24x = 65,904,296.54
5. Step 5: Solve for x
   x = 65,904,296.54/9,354.24
6. Step 6: Final answer
   x = 7,045.39