Finding the Fourth Proportional to 2,818.26, 4,227.50 and 969.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,818.26 : 4,227.50 = 969.36 : x
2. Step 2: Convert to fraction form
   2,818.26/4,227.50 = 969.36/x
3. Step 3: Cross multiply
   2,818.26x = 4,227.50 × 969.36
4. Step 4: Simplify right side
   2,818.26x = 4,097,964.55
5. Step 5: Solve for x
   x = 4,097,964.55/2,818.26
6. Step 6: Final answer
   x = 1,454.08