Finding the Fourth Proportional to 2,055.47, 2,836.56 and 1,171.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.47 : 2,836.56 = 1,171.25 : x
2. Step 2: Convert to fraction form
   2,055.47/2,836.56 = 1,171.25/x
3. Step 3: Cross multiply
   2,055.47x = 2,836.56 × 1,171.25
4. Step 4: Simplify right side
   2,055.47x = 3,322,306.72
5. Step 5: Solve for x
   x = 3,322,306.72/2,055.47
6. Step 6: Final answer
   x = 1,616.33