Finding the Fourth Proportional to 2,055.45, 2,836.71 and 1,171.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.45 : 2,836.71 = 1,171.47 : x
2. Step 2: Convert to fraction form
   2,055.45/2,836.71 = 1,171.47/x
3. Step 3: Cross multiply
   2,055.45x = 2,836.71 × 1,171.47
4. Step 4: Simplify right side
   2,055.45x = 3,323,120.66
5. Step 5: Solve for x
   x = 3,323,120.66/2,055.45
6. Step 6: Final answer
   x = 1,616.74