Finding the Fourth Proportional to 1,822.72, 2,731.49 and 833.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822.72 : 2,731.49 = 833.10 : x
2. Step 2: Convert to fraction form
   1,822.72/2,731.49 = 833.10/x
3. Step 3: Cross multiply
   1,822.72x = 2,731.49 × 833.10
4. Step 4: Simplify right side
   1,822.72x = 2,275,600.15
5. Step 5: Solve for x
   x = 2,275,600.15/1,822.72
6. Step 6: Final answer
   x = 1,248.47