Finding the Fourth Proportional to 2,846.05, 4,268.91 and 1,091.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,846.05 : 4,268.91 = 1,091.89 : x
2. Step 2: Convert to fraction form
   2,846.05/4,268.91 = 1,091.89/x
3. Step 3: Cross multiply
   2,846.05x = 4,268.91 × 1,091.89
4. Step 4: Simplify right side
   2,846.05x = 4,661,189.57
5. Step 5: Solve for x
   x = 4,661,189.57/2,846.05
6. Step 6: Final answer
   x = 1,637.78