Finding the Fourth Proportional to 5,284.24, 7,916.56 and 3,819.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,284.24 : 7,916.56 = 3,819.76 : x
2. Step 2: Convert to fraction form
   5,284.24/7,916.56 = 3,819.76/x
3. Step 3: Cross multiply
   5,284.24x = 7,916.56 × 3,819.76
4. Step 4: Simplify right side
   5,284.24x = 30,239,359.23
5. Step 5: Solve for x
   x = 30,239,359.23/5,284.24
6. Step 6: Final answer
   x = 5,722.56