Finding the Fourth Proportional to 2,819.06, 4,227.51 and 969.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819.06 : 4,227.51 = 969.83 : x
2. Step 2: Convert to fraction form
   2,819.06/4,227.51 = 969.83/x
3. Step 3: Cross multiply
   2,819.06x = 4,227.51 × 969.83
4. Step 4: Simplify right side
   2,819.06x = 4,099,966.02
5. Step 5: Solve for x
   x = 4,099,966.02/2,819.06
6. Step 6: Final answer
   x = 1,454.37