Finding the Fourth Proportional to 2,736.06, 4,105.91 and 1,275.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.06 : 4,105.91 = 1,275.36 : x
2. Step 2: Convert to fraction form
   2,736.06/4,105.91 = 1,275.36/x
3. Step 3: Cross multiply
   2,736.06x = 4,105.91 × 1,275.36
4. Step 4: Simplify right side
   2,736.06x = 5,236,513.38
5. Step 5: Solve for x
   x = 5,236,513.38/2,736.06
6. Step 6: Final answer
   x = 1,913.89