Finding the Fourth Proportional to 2,377.49, 3,563.13 and 1,280.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.49 : 3,563.13 = 1,280.56 : x
2. Step 2: Convert to fraction form
   2,377.49/3,563.13 = 1,280.56/x
3. Step 3: Cross multiply
   2,377.49x = 3,563.13 × 1,280.56
4. Step 4: Simplify right side
   2,377.49x = 4,562,792.84
5. Step 5: Solve for x
   x = 4,562,792.84/2,377.49
6. Step 6: Final answer
   x = 1,919.17