Finding the Fourth Proportional to 1,995.57, 2,994.72 and 697.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,995.57 : 2,994.72 = 697.05 : x
2. Step 2: Convert to fraction form
   1,995.57/2,994.72 = 697.05/x
3. Step 3: Cross multiply
   1,995.57x = 2,994.72 × 697.05
4. Step 4: Simplify right side
   1,995.57x = 2,087,469.58
5. Step 5: Solve for x
   x = 2,087,469.58/1,995.57
6. Step 6: Final answer
   x = 1,046.05