Finding the Fourth Proportional to 2,819.46, 4,228.33 and 969.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819.46 : 4,228.33 = 969.51 : x
2. Step 2: Convert to fraction form
   2,819.46/4,228.33 = 969.51/x
3. Step 3: Cross multiply
   2,819.46x = 4,228.33 × 969.51
4. Step 4: Simplify right side
   2,819.46x = 4,099,382.23
5. Step 5: Solve for x
   x = 4,099,382.23/2,819.46
6. Step 6: Final answer
   x = 1,453.96