Finding the Fourth Proportional to 2,008.75, 3,013.23 and 692.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.75 : 3,013.23 = 692.50 : x
2. Step 2: Convert to fraction form
   2,008.75/3,013.23 = 692.50/x
3. Step 3: Cross multiply
   2,008.75x = 3,013.23 × 692.50
4. Step 4: Simplify right side
   2,008.75x = 2,086,661.78
5. Step 5: Solve for x
   x = 2,086,661.78/2,008.75
6. Step 6: Final answer
   x = 1,038.79