Finding the Fourth Proportional to 2,377.78, 3,563.18 and 1,339.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.78 : 3,563.18 = 1,339.79 : x
2. Step 2: Convert to fraction form
   2,377.78/3,563.18 = 1,339.79/x
3. Step 3: Cross multiply
   2,377.78x = 3,563.18 × 1,339.79
4. Step 4: Simplify right side
   2,377.78x = 4,773,891.77
5. Step 5: Solve for x
   x = 4,773,891.77/2,377.78
6. Step 6: Final answer
   x = 2,007.71