Finding the Fourth Proportional to 2,731.04, 4,091.12 and 1,268.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731.04 : 4,091.12 = 1,268.24 : x
2. Step 2: Convert to fraction form
   2,731.04/4,091.12 = 1,268.24/x
3. Step 3: Cross multiply
   2,731.04x = 4,091.12 × 1,268.24
4. Step 4: Simplify right side
   2,731.04x = 5,188,522.03
5. Step 5: Solve for x
   x = 5,188,522.03/2,731.04
6. Step 6: Final answer
   x = 1,899.83