Finding the Fourth Proportional to 2,822.58, 4,229.82 and 1,178.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,822.58 : 4,229.82 = 1,178.28 : x
2. Step 2: Convert to fraction form
   2,822.58/4,229.82 = 1,178.28/x
3. Step 3: Cross multiply
   2,822.58x = 4,229.82 × 1,178.28
4. Step 4: Simplify right side
   2,822.58x = 4,983,912.31
5. Step 5: Solve for x
   x = 4,983,912.31/2,822.58
6. Step 6: Final answer
   x = 1,765.73