Finding the Fourth Proportional to 2,868.50, 4,301.33 and 1,019.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,868.50 : 4,301.33 = 1,019.36 : x
2. Step 2: Convert to fraction form
   2,868.50/4,301.33 = 1,019.36/x
3. Step 3: Cross multiply
   2,868.50x = 4,301.33 × 1,019.36
4. Step 4: Simplify right side
   2,868.50x = 4,384,577.15
5. Step 5: Solve for x
   x = 4,384,577.15/2,868.50
6. Step 6: Final answer
   x = 1,528.53