Finding the Fourth Proportional to 3,511.28, 4,843.53 and 2,251.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,511.28 : 4,843.53 = 2,251.89 : x
2. Step 2: Convert to fraction form
   3,511.28/4,843.53 = 2,251.89/x
3. Step 3: Cross multiply
   3,511.28x = 4,843.53 × 2,251.89
4. Step 4: Simplify right side
   3,511.28x = 10,907,096.77
5. Step 5: Solve for x
   x = 10,907,096.77/3,511.28
6. Step 6: Final answer
   x = 3,106.31