Finding the Fourth Proportional to 2,871.47, 4,306.59 and 1,022.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,871.47 : 4,306.59 = 1,022.56 : x
2. Step 2: Convert to fraction form
   2,871.47/4,306.59 = 1,022.56/x
3. Step 3: Cross multiply
   2,871.47x = 4,306.59 × 1,022.56
4. Step 4: Simplify right side
   2,871.47x = 4,403,735.90
5. Step 5: Solve for x
   x = 4,403,735.90/2,871.47
6. Step 6: Final answer
   x = 1,533.62