Finding the Fourth Proportional to 2,819.52, 4,229.76 and 1,064.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819.52 : 4,229.76 = 1,064.64 : x
2. Step 2: Convert to fraction form
   2,819.52/4,229.76 = 1,064.64/x
3. Step 3: Cross multiply
   2,819.52x = 4,229.76 × 1,064.64
4. Step 4: Simplify right side
   2,819.52x = 4,503,171.69
5. Step 5: Solve for x
   x = 4,503,171.69/2,819.52
6. Step 6: Final answer
   x = 1,597.14