Finding the Fourth Proportional to 9,357.27, 12,913.27 and 5,108.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,357.27 : 12,913.27 = 5,108.42 : x
2. Step 2: Convert to fraction form
   9,357.27/12,913.27 = 5,108.42/x
3. Step 3: Cross multiply
   9,357.27x = 12,913.27 × 5,108.42
4. Step 4: Simplify right side
   9,357.27x = 65,966,382.34
5. Step 5: Solve for x
   x = 65,966,382.34/9,357.27
6. Step 6: Final answer
   x = 7,049.75