Finding the Fourth Proportional to 2,155.98, 3,233.84 and 695.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.98 : 3,233.84 = 695.10 : x
2. Step 2: Convert to fraction form
   2,155.98/3,233.84 = 695.10/x
3. Step 3: Cross multiply
   2,155.98x = 3,233.84 × 695.10
4. Step 4: Simplify right side
   2,155.98x = 2,247,842.18
5. Step 5: Solve for x
   x = 2,247,842.18/2,155.98
6. Step 6: Final answer
   x = 1,042.61