Finding the Fourth Proportional to 2,081.72, 3,122.68 and 695.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.72 : 3,122.68 = 695.00 : x
2. Step 2: Convert to fraction form
   2,081.72/3,122.68 = 695.00/x
3. Step 3: Cross multiply
   2,081.72x = 3,122.68 × 695.00
4. Step 4: Simplify right side
   2,081.72x = 2,170,245.25
5. Step 5: Solve for x
   x = 2,170,245.25/2,081.72
6. Step 6: Final answer
   x = 1,042.53