Finding the Fourth Proportional to 2,818.16, 4,227.53 and 969.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,818.16 : 4,227.53 = 969.03 : x
2. Step 2: Convert to fraction form
   2,818.16/4,227.53 = 969.03/x
3. Step 3: Cross multiply
   2,818.16x = 4,227.53 × 969.03
4. Step 4: Simplify right side
   2,818.16x = 4,096,598.55
5. Step 5: Solve for x
   x = 4,096,598.55/2,818.16
6. Step 6: Final answer
   x = 1,453.65