Finding the Fourth Proportional to 2,007.57, 2,770.59 and 1,123.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.57 : 2,770.59 = 1,123.46 : x
2. Step 2: Convert to fraction form
   2,007.57/2,770.59 = 1,123.46/x
3. Step 3: Cross multiply
   2,007.57x = 2,770.59 × 1,123.46
4. Step 4: Simplify right side
   2,007.57x = 3,112,627.57
5. Step 5: Solve for x
   x = 3,112,627.57/2,007.57
6. Step 6: Final answer
   x = 1,550.45