Finding the Fourth Proportional to 2,819.52, 4,206.72 and 2,453.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819.52 : 4,206.72 = 2,453.76 : x
2. Step 2: Convert to fraction form
   2,819.52/4,206.72 = 2,453.76/x
3. Step 3: Cross multiply
   2,819.52x = 4,206.72 × 2,453.76
4. Step 4: Simplify right side
   2,819.52x = 10,322,281.27
5. Step 5: Solve for x
   x = 10,322,281.27/2,819.52
6. Step 6: Final answer
   x = 3,661.01