Finding the Fourth Proportional to 2,078.73, 3,118.23 and 692.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.73 : 3,118.23 = 692.03 : x
2. Step 2: Convert to fraction form
   2,078.73/3,118.23 = 692.03/x
3. Step 3: Cross multiply
   2,078.73x = 3,118.23 × 692.03
4. Step 4: Simplify right side
   2,078.73x = 2,157,916.50
5. Step 5: Solve for x
   x = 2,157,916.50/2,078.73
6. Step 6: Final answer
   x = 1,038.09