Finding the Fourth Proportional to 2,944.72, 4,065.24 and 2,280.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,944.72 : 4,065.24 = 2,280.08 : x
2. Step 2: Convert to fraction form
   2,944.72/4,065.24 = 2,280.08/x
3. Step 3: Cross multiply
   2,944.72x = 4,065.24 × 2,280.08
4. Step 4: Simplify right side
   2,944.72x = 9,269,072.42
5. Step 5: Solve for x
   x = 9,269,072.42/2,944.72
6. Step 6: Final answer
   x = 3,147.69