Finding the Fourth Proportional to 1,872.72, 2,806.68 and 833.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,872.72 : 2,806.68 = 833.04 : x
2. Step 2: Convert to fraction form
   1,872.72/2,806.68 = 833.04/x
3. Step 3: Cross multiply
   1,872.72x = 2,806.68 × 833.04
4. Step 4: Simplify right side
   1,872.72x = 2,338,076.71
5. Step 5: Solve for x
   x = 2,338,076.71/1,872.72
6. Step 6: Final answer
   x = 1,248.49