Finding the Fourth Proportional to 2,155.85, 3,233.46 and 694.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.85 : 3,233.46 = 694.82 : x
2. Step 2: Convert to fraction form
   2,155.85/3,233.46 = 694.82/x
3. Step 3: Cross multiply
   2,155.85x = 3,233.46 × 694.82
4. Step 4: Simplify right side
   2,155.85x = 2,246,656.51
5. Step 5: Solve for x
   x = 2,246,656.51/2,155.85
6. Step 6: Final answer
   x = 1,042.12