Finding the Fourth Proportional to 2,055.39, 2,836.43 and 1,123.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.39 : 2,836.43 = 1,123.89 : x
2. Step 2: Convert to fraction form
   2,055.39/2,836.43 = 1,123.89/x
3. Step 3: Cross multiply
   2,055.39x = 2,836.43 × 1,123.89
4. Step 4: Simplify right side
   2,055.39x = 3,187,829.69
5. Step 5: Solve for x
   x = 3,187,829.69/2,055.39
6. Step 6: Final answer
   x = 1,550.96