Finding the Fourth Proportional to 2,007.96, 2,770.96 and 1,123.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.96 : 2,770.96 = 1,123.72 : x
2. Step 2: Convert to fraction form
   2,007.96/2,770.96 = 1,123.72/x
3. Step 3: Cross multiply
   2,007.96x = 2,770.96 × 1,123.72
4. Step 4: Simplify right side
   2,007.96x = 3,113,783.17
5. Step 5: Solve for x
   x = 3,113,783.17/2,007.96
6. Step 6: Final answer
   x = 1,550.72