Finding the Fourth Proportional to 5,399.75, 7,451.85 and 3,009.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,399.75 : 7,451.85 = 3,009.83 : x
2. Step 2: Convert to fraction form
   5,399.75/7,451.85 = 3,009.83/x
3. Step 3: Cross multiply
   5,399.75x = 7,451.85 × 3,009.83
4. Step 4: Simplify right side
   5,399.75x = 22,428,801.69
5. Step 5: Solve for x
   x = 22,428,801.69/5,399.75
6. Step 6: Final answer
   x = 4,153.67