Finding the Fourth Proportional to 5,397.34, 7,448.21 and 3,007.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,397.34 : 7,448.21 = 3,007.31 : x
2. Step 2: Convert to fraction form
   5,397.34/7,448.21 = 3,007.31/x
3. Step 3: Cross multiply
   5,397.34x = 7,448.21 × 3,007.31
4. Step 4: Simplify right side
   5,397.34x = 22,399,076.42
5. Step 5: Solve for x
   x = 22,399,076.42/5,397.34
6. Step 6: Final answer
   x = 4,150.02