Finding the Fourth Proportional to 4,821.76, 7,226.72 and 2,743.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,821.76 : 7,226.72 = 2,743.50 : x
2. Step 2: Convert to fraction form
   4,821.76/7,226.72 = 2,743.50/x
3. Step 3: Cross multiply
   4,821.76x = 7,226.72 × 2,743.50
4. Step 4: Simplify right side
   4,821.76x = 19,826,506.32
5. Step 5: Solve for x
   x = 19,826,506.32/4,821.76
6. Step 6: Final answer
   x = 4,111.88