Finding the Fourth Proportional to 2,055.28, 2,836.18 and 1,171.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.28 : 2,836.18 = 1,171.08 : x
2. Step 2: Convert to fraction form
   2,055.28/2,836.18 = 1,171.08/x
3. Step 3: Cross multiply
   2,055.28x = 2,836.18 × 1,171.08
4. Step 4: Simplify right side
   2,055.28x = 3,321,393.67
5. Step 5: Solve for x
   x = 3,321,393.67/2,055.28
6. Step 6: Final answer
   x = 1,616.03