Finding the Fourth Proportional to 4,045.28, 5,582.72 and 2,698.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,045.28 : 5,582.72 = 2,698.56 : x
2. Step 2: Convert to fraction form
   4,045.28/5,582.72 = 2,698.56/x
3. Step 3: Cross multiply
   4,045.28x = 5,582.72 × 2,698.56
4. Step 4: Simplify right side
   4,045.28x = 15,065,304.88
5. Step 5: Solve for x
   x = 15,065,304.88/4,045.28
6. Step 6: Final answer
   x = 3,724.17