Finding the Fourth Proportional to 2,847.02, 4,271.82 and 1,286.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,847.02 : 4,271.82 = 1,286.18 : x
2. Step 2: Convert to fraction form
   2,847.02/4,271.82 = 1,286.18/x
3. Step 3: Cross multiply
   2,847.02x = 4,271.82 × 1,286.18
4. Step 4: Simplify right side
   2,847.02x = 5,494,329.45
5. Step 5: Solve for x
   x = 5,494,329.45/2,847.02
6. Step 6: Final answer
   x = 1,929.85