Finding the Fourth Proportional to 2,868.42, 4,302.94 and 1,019.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,868.42 : 4,302.94 = 1,019.71 : x
2. Step 2: Convert to fraction form
   2,868.42/4,302.94 = 1,019.71/x
3. Step 3: Cross multiply
   2,868.42x = 4,302.94 × 1,019.71
4. Step 4: Simplify right side
   2,868.42x = 4,387,750.95
5. Step 5: Solve for x
   x = 4,387,750.95/2,868.42
6. Step 6: Final answer
   x = 1,529.68