Finding the Fourth Proportional to 2,819.10, 4,227.73 and 970.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819.10 : 4,227.73 = 970.18 : x
2. Step 2: Convert to fraction form
   2,819.10/4,227.73 = 970.18/x
3. Step 3: Cross multiply
   2,819.10x = 4,227.73 × 970.18
4. Step 4: Simplify right side
   2,819.10x = 4,101,646.10
5. Step 5: Solve for x
   x = 4,101,646.10/2,819.10
6. Step 6: Final answer
   x = 1,454.95