Finding the Fourth Proportional to 2,963.88, 4,446.61 and 883.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,963.88 : 4,446.61 = 883.89 : x
2. Step 2: Convert to fraction form
   2,963.88/4,446.61 = 883.89/x
3. Step 3: Cross multiply
   2,963.88x = 4,446.61 × 883.89
4. Step 4: Simplify right side
   2,963.88x = 3,930,311.90
5. Step 5: Solve for x
   x = 3,930,311.90/2,963.88
6. Step 6: Final answer
   x = 1,326.07