Finding the Fourth Proportional to 1,821.78, 2,514.92 and 1,233.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821.78 : 2,514.92 = 1,233.27 : x
2. Step 2: Convert to fraction form
   1,821.78/2,514.92 = 1,233.27/x
3. Step 3: Cross multiply
   1,821.78x = 2,514.92 × 1,233.27
4. Step 4: Simplify right side
   1,821.78x = 3,101,569.22
5. Step 5: Solve for x
   x = 3,101,569.22/1,821.78
6. Step 6: Final answer
   x = 1,702.49