Finding the Fourth Proportional to 2,007.96, 2,771.10 and 1,123.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.96 : 2,771.10 = 1,123.80 : x
2. Step 2: Convert to fraction form
   2,007.96/2,771.10 = 1,123.80/x
3. Step 3: Cross multiply
   2,007.96x = 2,771.10 × 1,123.80
4. Step 4: Simplify right side
   2,007.96x = 3,114,162.18
5. Step 5: Solve for x
   x = 3,114,162.18/2,007.96
6. Step 6: Final answer
   x = 1,550.91