Finding the Fourth Proportional to 5,399.57, 7,451.52 and 3,009.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,399.57 : 7,451.52 = 3,009.42 : x
2. Step 2: Convert to fraction form
   5,399.57/7,451.52 = 3,009.42/x
3. Step 3: Cross multiply
   5,399.57x = 7,451.52 × 3,009.42
4. Step 4: Simplify right side
   5,399.57x = 22,424,753.32
5. Step 5: Solve for x
   x = 22,424,753.32/5,399.57
6. Step 6: Final answer
   x = 4,153.07