Finding the Fourth Proportional to 1,996.98, 2,996.82 and 698.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.98 : 2,996.82 = 698.46 : x
2. Step 2: Convert to fraction form
   1,996.98/2,996.82 = 698.46/x
3. Step 3: Cross multiply
   1,996.98x = 2,996.82 × 698.46
4. Step 4: Simplify right side
   1,996.98x = 2,093,158.90
5. Step 5: Solve for x
   x = 2,093,158.90/1,996.98
6. Step 6: Final answer
   x = 1,048.16