Finding the Fourth Proportional to 5,310.28, 7,956.78 and 3,842.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,310.28 : 7,956.78 = 3,842.56 : x
2. Step 2: Convert to fraction form
   5,310.28/7,956.78 = 3,842.56/x
3. Step 3: Cross multiply
   5,310.28x = 7,956.78 × 3,842.56
4. Step 4: Simplify right side
   5,310.28x = 30,574,404.56
5. Step 5: Solve for x
   x = 30,574,404.56/5,310.28
6. Step 6: Final answer
   x = 5,757.59