Finding the Fourth Proportional to 1,667.82, 2,502.09 and 694.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.82 : 2,502.09 = 694.65 : x
2. Step 2: Convert to fraction form
   1,667.82/2,502.09 = 694.65/x
3. Step 3: Cross multiply
   1,667.82x = 2,502.09 × 694.65
4. Step 4: Simplify right side
   1,667.82x = 1,738,076.82
5. Step 5: Solve for x
   x = 1,738,076.82/1,667.82
6. Step 6: Final answer
   x = 1,042.12