Finding the Fourth Proportional to 5,240.52, 7,231.82 and 3,002.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,240.52 : 7,231.82 = 3,002.28 : x
2. Step 2: Convert to fraction form
   5,240.52/7,231.82 = 3,002.28/x
3. Step 3: Cross multiply
   5,240.52x = 7,231.82 × 3,002.28
4. Step 4: Simplify right side
   5,240.52x = 21,711,933.54
5. Step 5: Solve for x
   x = 21,711,933.54/5,240.52
6. Step 6: Final answer
   x = 4,143.09