Finding the Fourth Proportional to 2,727.91, 4,091.22 and 1,266.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,727.91 : 4,091.22 = 1,266.25 : x
2. Step 2: Convert to fraction form
   2,727.91/4,091.22 = 1,266.25/x
3. Step 3: Cross multiply
   2,727.91x = 4,091.22 × 1,266.25
4. Step 4: Simplify right side
   2,727.91x = 5,180,507.33
5. Step 5: Solve for x
   x = 5,180,507.33/2,727.91
6. Step 6: Final answer
   x = 1,899.08