Finding the Fourth Proportional to 6,717.28, 10,074.72 and 3,018.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,717.28 : 10,074.72 = 3,018.88 : x
2. Step 2: Convert to fraction form
   6,717.28/10,074.72 = 3,018.88/x
3. Step 3: Cross multiply
   6,717.28x = 10,074.72 × 3,018.88
4. Step 4: Simplify right side
   6,717.28x = 30,414,370.71
5. Step 5: Solve for x
   x = 30,414,370.71/6,717.28
6. Step 6: Final answer
   x = 4,527.78