Finding the Fourth Proportional to 2,054.96, 2,836.04 and 1,123.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.96 : 2,836.04 = 1,123.60 : x
2. Step 2: Convert to fraction form
   2,054.96/2,836.04 = 1,123.60/x
3. Step 3: Cross multiply
   2,054.96x = 2,836.04 × 1,123.60
4. Step 4: Simplify right side
   2,054.96x = 3,186,574.54
5. Step 5: Solve for x
   x = 3,186,574.54/2,054.96
6. Step 6: Final answer
   x = 1,550.67