Finding the Fourth Proportional to 2,081.54, 3,122.72 and 695.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.54 : 3,122.72 = 695.32 : x
2. Step 2: Convert to fraction form
   2,081.54/3,122.72 = 695.32/x
3. Step 3: Cross multiply
   2,081.54x = 3,122.72 × 695.32
4. Step 4: Simplify right side
   2,081.54x = 2,171,289.67
5. Step 5: Solve for x
   x = 2,171,289.67/2,081.54
6. Step 6: Final answer
   x = 1,043.12