Finding the Fourth Proportional to 2,007.98, 2,770.72 and 1,123.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.98 : 2,770.72 = 1,123.76 : x
2. Step 2: Convert to fraction form
   2,007.98/2,770.72 = 1,123.76/x
3. Step 3: Cross multiply
   2,007.98x = 2,770.72 × 1,123.76
4. Step 4: Simplify right side
   2,007.98x = 3,113,624.31
5. Step 5: Solve for x
   x = 3,113,624.31/2,007.98
6. Step 6: Final answer
   x = 1,550.63