Finding the Fourth Proportional to 2,813.18, 4,219.81 and 733.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,813.18 : 4,219.81 = 733.05 : x
2. Step 2: Convert to fraction form
   2,813.18/4,219.81 = 733.05/x
3. Step 3: Cross multiply
   2,813.18x = 4,219.81 × 733.05
4. Step 4: Simplify right side
   2,813.18x = 3,093,329.89
5. Step 5: Solve for x
   x = 3,093,329.89/2,813.18
6. Step 6: Final answer
   x = 1,099.59