Finding the Fourth Proportional to 2,055.76, 2,837.18 and 1,171.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.76 : 2,837.18 = 1,171.69 : x
2. Step 2: Convert to fraction form
   2,055.76/2,837.18 = 1,171.69/x
3. Step 3: Cross multiply
   2,055.76x = 2,837.18 × 1,171.69
4. Step 4: Simplify right side
   2,055.76x = 3,324,291.27
5. Step 5: Solve for x
   x = 3,324,291.27/2,055.76
6. Step 6: Final answer
   x = 1,617.06