Finding the Fourth Proportional to 2,007.83, 2,770.79 and 1,123.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.83 : 2,770.79 = 1,123.64 : x
2. Step 2: Convert to fraction form
   2,007.83/2,770.79 = 1,123.64/x
3. Step 3: Cross multiply
   2,007.83x = 2,770.79 × 1,123.64
4. Step 4: Simplify right side
   2,007.83x = 3,113,370.48
5. Step 5: Solve for x
   x = 3,113,370.48/2,007.83
6. Step 6: Final answer
   x = 1,550.61