Finding the Fourth Proportional to 1,863.87, 2,572.15 and 1,024.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863.87 : 2,572.15 = 1,024.59 : x
2. Step 2: Convert to fraction form
   1,863.87/2,572.15 = 1,024.59/x
3. Step 3: Cross multiply
   1,863.87x = 2,572.15 × 1,024.59
4. Step 4: Simplify right side
   1,863.87x = 2,635,399.17
5. Step 5: Solve for x
   x = 2,635,399.17/1,863.87
6. Step 6: Final answer
   x = 1,413.94