Finding the Fourth Proportional to 2,855.71, 4,283.52 and 1,124.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,855.71 : 4,283.52 = 1,124.34 : x
2. Step 2: Convert to fraction form
   2,855.71/4,283.52 = 1,124.34/x
3. Step 3: Cross multiply
   2,855.71x = 4,283.52 × 1,124.34
4. Step 4: Simplify right side
   2,855.71x = 4,816,132.88
5. Step 5: Solve for x
   x = 4,816,132.88/2,855.71
6. Step 6: Final answer
   x = 1,686.49