Finding the Fourth Proportional to 2,055.23, 2,836.19 and 1,123.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.23 : 2,836.19 = 1,123.73 : x
2. Step 2: Convert to fraction form
   2,055.23/2,836.19 = 1,123.73/x
3. Step 3: Cross multiply
   2,055.23x = 2,836.19 × 1,123.73
4. Step 4: Simplify right side
   2,055.23x = 3,187,106.17
5. Step 5: Solve for x
   x = 3,187,106.17/2,055.23
6. Step 6: Final answer
   x = 1,550.73