Finding the Fourth Proportional to 2,055.78, 2,836.98 and 1,124.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.78 : 2,836.98 = 1,124.28 : x
2. Step 2: Convert to fraction form
   2,055.78/2,836.98 = 1,124.28/x
3. Step 3: Cross multiply
   2,055.78x = 2,836.98 × 1,124.28
4. Step 4: Simplify right side
   2,055.78x = 3,189,559.87
5. Step 5: Solve for x
   x = 3,189,559.87/2,055.78
6. Step 6: Final answer
   x = 1,551.51