Finding the Fourth Proportional to 1,821.59, 2,513.87 and 1,035.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821.59 : 2,513.87 = 1,035.71 : x
2. Step 2: Convert to fraction form
   1,821.59/2,513.87 = 1,035.71/x
3. Step 3: Cross multiply
   1,821.59x = 2,513.87 × 1,035.71
4. Step 4: Simplify right side
   1,821.59x = 2,603,640.30
5. Step 5: Solve for x
   x = 2,603,640.30/1,821.59
6. Step 6: Final answer
   x = 1,429.32