Finding the Fourth Proportional to 2,577.47, 3,863.81 and 1,017.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.47 : 3,863.81 = 1,017.18 : x
2. Step 2: Convert to fraction form
   2,577.47/3,863.81 = 1,017.18/x
3. Step 3: Cross multiply
   2,577.47x = 3,863.81 × 1,017.18
4. Step 4: Simplify right side
   2,577.47x = 3,930,205.10
5. Step 5: Solve for x
   x = 3,930,205.10/2,577.47
6. Step 6: Final answer
   x = 1,524.83