Finding the Fourth Proportional to 1,462.78, 2,018.55 and 833.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,462.78 : 2,018.55 = 833.23 : x
2. Step 2: Convert to fraction form
   1,462.78/2,018.55 = 833.23/x
3. Step 3: Cross multiply
   1,462.78x = 2,018.55 × 833.23
4. Step 4: Simplify right side
   1,462.78x = 1,681,916.42
5. Step 5: Solve for x
   x = 1,681,916.42/1,462.78
6. Step 6: Final answer
   x = 1,149.81