Finding the Fourth Proportional to 2,008.05, 2,770.78 and 1,123.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.05 : 2,770.78 = 1,123.70 : x
2. Step 2: Convert to fraction form
   2,008.05/2,770.78 = 1,123.70/x
3. Step 3: Cross multiply
   2,008.05x = 2,770.78 × 1,123.70
4. Step 4: Simplify right side
   2,008.05x = 3,113,525.49
5. Step 5: Solve for x
   x = 3,113,525.49/2,008.05
6. Step 6: Final answer
   x = 1,550.52