Finding the Fourth Proportional to 2,155.88, 3,233.93 and 695.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.88 : 3,233.93 = 695.15 : x
2. Step 2: Convert to fraction form
   2,155.88/3,233.93 = 695.15/x
3. Step 3: Cross multiply
   2,155.88x = 3,233.93 × 695.15
4. Step 4: Simplify right side
   2,155.88x = 2,248,050.27
5. Step 5: Solve for x
   x = 2,248,050.27/2,155.88
6. Step 6: Final answer
   x = 1,042.75