Finding the Fourth Proportional to 3,077.72, 4,619.71 and 2,253.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,077.72 : 4,619.71 = 2,253.54 : x
2. Step 2: Convert to fraction form
   3,077.72/4,619.71 = 2,253.54/x
3. Step 3: Cross multiply
   3,077.72x = 4,619.71 × 2,253.54
4. Step 4: Simplify right side
   3,077.72x = 10,410,701.27
5. Step 5: Solve for x
   x = 10,410,701.27/3,077.72
6. Step 6: Final answer
   x = 3,382.60