Finding the Fourth Proportional to 1,669.59, 2,504.79 and 695.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,669.59 : 2,504.79 = 695.16 : x
2. Step 2: Convert to fraction form
   1,669.59/2,504.79 = 695.16/x
3. Step 3: Cross multiply
   1,669.59x = 2,504.79 × 695.16
4. Step 4: Simplify right side
   1,669.59x = 1,741,229.82
5. Step 5: Solve for x
   x = 1,741,229.82/1,669.59
6. Step 6: Final answer
   x = 1,042.91