Finding the Fourth Proportional to 2,008.69, 3,012.28 and 692.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.69 : 3,012.28 = 692.07 : x
2. Step 2: Convert to fraction form
   2,008.69/3,012.28 = 692.07/x
3. Step 3: Cross multiply
   2,008.69x = 3,012.28 × 692.07
4. Step 4: Simplify right side
   2,008.69x = 2,084,705.16
5. Step 5: Solve for x
   x = 2,084,705.16/2,008.69
6. Step 6: Final answer
   x = 1,037.85