Finding the Fourth Proportional to 2,055.29, 2,836.53 and 1,309.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.29 : 2,836.53 = 1,309.28 : x
2. Step 2: Convert to fraction form
   2,055.29/2,836.53 = 1,309.28/x
3. Step 3: Cross multiply
   2,055.29x = 2,836.53 × 1,309.28
4. Step 4: Simplify right side
   2,055.29x = 3,713,797.82
5. Step 5: Solve for x
   x = 3,713,797.82/2,055.29
6. Step 6: Final answer
   x = 1,806.95