Finding the Fourth Proportional to 2,387, 3,581.94 and 1,019

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387 : 3,581.94 = 1,019 : x
2. Step 2: Convert to fraction form
   2,387/3,581.94 = 1,019/x
3. Step 3: Cross multiply
   2,387x = 3,581.94 × 1,019
4. Step 4: Simplify right side
   2,387x = 3,649,996.86
5. Step 5: Solve for x
   x = 3,649,996.86/2,387
6. Step 6: Final answer
   x = 1,529.11