Finding the Fourth Proportional to 2,019.41, 2,786.73 and 1,123.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.41 : 2,786.73 = 1,123.15 : x
2. Step 2: Convert to fraction form
   2,019.41/2,786.73 = 1,123.15/x
3. Step 3: Cross multiply
   2,019.41x = 2,786.73 × 1,123.15
4. Step 4: Simplify right side
   2,019.41x = 3,129,915.80
5. Step 5: Solve for x
   x = 3,129,915.80/2,019.41
6. Step 6: Final answer
   x = 1,549.92