Finding the Fourth Proportional to 2,055.51, 2,836.49 and 1,171.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.51 : 2,836.49 = 1,171.40 : x
2. Step 2: Convert to fraction form
   2,055.51/2,836.49 = 1,171.40/x
3. Step 3: Cross multiply
   2,055.51x = 2,836.49 × 1,171.40
4. Step 4: Simplify right side
   2,055.51x = 3,322,644.35
5. Step 5: Solve for x
   x = 3,322,644.35/2,055.51
6. Step 6: Final answer
   x = 1,616.46