Finding the Fourth Proportional to 1,667.24, 2,499.24 and 694.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.24 : 2,499.24 = 694.16 : x
2. Step 2: Convert to fraction form
   1,667.24/2,499.24 = 694.16/x
3. Step 3: Cross multiply
   1,667.24x = 2,499.24 × 694.16
4. Step 4: Simplify right side
   1,667.24x = 1,734,872.44
5. Step 5: Solve for x
   x = 1,734,872.44/1,667.24
6. Step 6: Final answer
   x = 1,040.57