Finding the Fourth Proportional to 9,377.24, 12,939.62 and 5,397.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,377.24 : 12,939.62 = 5,397.56 : x
2. Step 2: Convert to fraction form
   9,377.24/12,939.62 = 5,397.56/x
3. Step 3: Cross multiply
   9,377.24x = 12,939.62 × 5,397.56
4. Step 4: Simplify right side
   9,377.24x = 69,842,375.33
5. Step 5: Solve for x
   x = 69,842,375.33/9,377.24
6. Step 6: Final answer
   x = 7,448.07