Finding the Fourth Proportional to 2,055.38, 2,836.70 and 1,171.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.38 : 2,836.70 = 1,171.27 : x
2. Step 2: Convert to fraction form
   2,055.38/2,836.70 = 1,171.27/x
3. Step 3: Cross multiply
   2,055.38x = 2,836.70 × 1,171.27
4. Step 4: Simplify right side
   2,055.38x = 3,322,541.61
5. Step 5: Solve for x
   x = 3,322,541.61/2,055.38
6. Step 6: Final answer
   x = 1,616.51