Finding the Fourth Proportional to 1,862.37, 2,570.10 and 1,023.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,862.37 : 2,570.10 = 1,023.15 : x
2. Step 2: Convert to fraction form
   1,862.37/2,570.10 = 1,023.15/x
3. Step 3: Cross multiply
   1,862.37x = 2,570.10 × 1,023.15
4. Step 4: Simplify right side
   1,862.37x = 2,629,603.62
5. Step 5: Solve for x
   x = 2,629,603.62/1,862.37
6. Step 6: Final answer
   x = 1,411.97