Finding the Fourth Proportional to 1,862.03, 2,569.67 and 1,022.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,862.03 : 2,569.67 = 1,022.81 : x
2. Step 2: Convert to fraction form
   1,862.03/2,569.67 = 1,022.81/x
3. Step 3: Cross multiply
   1,862.03x = 2,569.67 × 1,022.81
4. Step 4: Simplify right side
   1,862.03x = 2,628,290.60
5. Step 5: Solve for x
   x = 2,628,290.60/1,862.03
6. Step 6: Final answer
   x = 1,411.52