Finding the Fourth Proportional to 2,008.45, 2,768.83 and 1,377.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.45 : 2,768.83 = 1,377.98 : x
2. Step 2: Convert to fraction form
   2,008.45/2,768.83 = 1,377.98/x
3. Step 3: Cross multiply
   2,008.45x = 2,768.83 × 1,377.98
4. Step 4: Simplify right side
   2,008.45x = 3,815,399.05
5. Step 5: Solve for x
   x = 3,815,399.05/2,008.45
6. Step 6: Final answer
   x = 1,899.67