Finding the Fourth Proportional to 2,085.33, 3,126.94 and 698.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.33 : 3,126.94 = 698.17 : x
2. Step 2: Convert to fraction form
   2,085.33/3,126.94 = 698.17/x
3. Step 3: Cross multiply
   2,085.33x = 3,126.94 × 698.17
4. Step 4: Simplify right side
   2,085.33x = 2,183,135.70
5. Step 5: Solve for x
   x = 2,183,135.70/2,085.33
6. Step 6: Final answer
   x = 1,046.90