Finding the Fourth Proportional to 1,821.72, 2,513.99 and 1,035.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821.72 : 2,513.99 = 1,035.82 : x
2. Step 2: Convert to fraction form
   1,821.72/2,513.99 = 1,035.82/x
3. Step 3: Cross multiply
   1,821.72x = 2,513.99 × 1,035.82
4. Step 4: Simplify right side
   1,821.72x = 2,604,023.37
5. Step 5: Solve for x
   x = 2,604,023.37/1,821.72
6. Step 6: Final answer
   x = 1,429.43