Finding the Fourth Proportional to 2,228.83, 3,072.58 and 1,563.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,228.83 : 3,072.58 = 1,563.62 : x
2. Step 2: Convert to fraction form
   2,228.83/3,072.58 = 1,563.62/x
3. Step 3: Cross multiply
   2,228.83x = 3,072.58 × 1,563.62
4. Step 4: Simplify right side
   2,228.83x = 4,804,347.54
5. Step 5: Solve for x
   x = 4,804,347.54/2,228.83
6. Step 6: Final answer
   x = 2,155.55