Finding the Fourth Proportional to 2,055.46, 2,836.86 and 1,309.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.46 : 2,836.86 = 1,309.75 : x
2. Step 2: Convert to fraction form
   2,055.46/2,836.86 = 1,309.75/x
3. Step 3: Cross multiply
   2,055.46x = 2,836.86 × 1,309.75
4. Step 4: Simplify right side
   2,055.46x = 3,715,577.39
5. Step 5: Solve for x
   x = 3,715,577.39/2,055.46
6. Step 6: Final answer
   x = 1,807.66