Finding the Fourth Proportional to 2,007.43, 2,770.20 and 1,123.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.43 : 2,770.20 = 1,123.33 : x
2. Step 2: Convert to fraction form
   2,007.43/2,770.20 = 1,123.33/x
3. Step 3: Cross multiply
   2,007.43x = 2,770.20 × 1,123.33
4. Step 4: Simplify right side
   2,007.43x = 3,111,848.77
5. Step 5: Solve for x
   x = 3,111,848.77/2,007.43
6. Step 6: Final answer
   x = 1,550.17