Finding the Fourth Proportional to 2,118.15, 3,175.52 and 963.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.15 : 3,175.52 = 963.09 : x
2. Step 2: Convert to fraction form
   2,118.15/3,175.52 = 963.09/x
3. Step 3: Cross multiply
   2,118.15x = 3,175.52 × 963.09
4. Step 4: Simplify right side
   2,118.15x = 3,058,306.74
5. Step 5: Solve for x
   x = 3,058,306.74/2,118.15
6. Step 6: Final answer
   x = 1,443.86