Finding the Fourth Proportional to 2,844.56, 3,921.72 and 2,180.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,844.56 : 3,921.72 = 2,180.72 : x
2. Step 2: Convert to fraction form
   2,844.56/3,921.72 = 2,180.72/x
3. Step 3: Cross multiply
   2,844.56x = 3,921.72 × 2,180.72
4. Step 4: Simplify right side
   2,844.56x = 8,552,173.24
5. Step 5: Solve for x
   x = 8,552,173.24/2,844.56
6. Step 6: Final answer
   x = 3,006.50