Finding the Fourth Proportional to 2,007.48, 2,770.43 and 1,123.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.48 : 2,770.43 = 1,123.23 : x
2. Step 2: Convert to fraction form
   2,007.48/2,770.43 = 1,123.23/x
3. Step 3: Cross multiply
   2,007.48x = 2,770.43 × 1,123.23
4. Step 4: Simplify right side
   2,007.48x = 3,111,830.09
5. Step 5: Solve for x
   x = 3,111,830.09/2,007.48
6. Step 6: Final answer
   x = 1,550.12