Finding the Fourth Proportional to 2,818.88, 4,227.27 and 969.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,818.88 : 4,227.27 = 969.47 : x
2. Step 2: Convert to fraction form
   2,818.88/4,227.27 = 969.47/x
3. Step 3: Cross multiply
   2,818.88x = 4,227.27 × 969.47
4. Step 4: Simplify right side
   2,818.88x = 4,098,211.45
5. Step 5: Solve for x
   x = 4,098,211.45/2,818.88
6. Step 6: Final answer
   x = 1,453.84