Finding the Fourth Proportional to 9,359.92, 12,917.37 and 5,382.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,359.92 : 12,917.37 = 5,382.28 : x
2. Step 2: Convert to fraction form
   9,359.92/12,917.37 = 5,382.28/x
3. Step 3: Cross multiply
   9,359.92x = 12,917.37 × 5,382.28
4. Step 4: Simplify right side
   9,359.92x = 69,524,902.20
5. Step 5: Solve for x
   x = 69,524,902.20/9,359.92
6. Step 6: Final answer
   x = 7,427.94