Finding the Fourth Proportional to 1,085.05, 1,496.85 and 692.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.05 : 1,496.85 = 692.20 : x
2. Step 2: Convert to fraction form
   1,085.05/1,496.85 = 692.20/x
3. Step 3: Cross multiply
   1,085.05x = 1,496.85 × 692.20
4. Step 4: Simplify right side
   1,085.05x = 1,036,119.57
5. Step 5: Solve for x
   x = 1,036,119.57/1,085.05
6. Step 6: Final answer
   x = 954.90