Finding the Fourth Proportional to 2,227.79, 3,074.31 and 1,283.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.79 : 3,074.31 = 1,283.58 : x
2. Step 2: Convert to fraction form
   2,227.79/3,074.31 = 1,283.58/x
3. Step 3: Cross multiply
   2,227.79x = 3,074.31 × 1,283.58
4. Step 4: Simplify right side
   2,227.79x = 3,946,107.46
5. Step 5: Solve for x
   x = 3,946,107.46/2,227.79
6. Step 6: Final answer
   x = 1,771.31