Finding the Fourth Proportional to 2,717.11, 4,072.83 and 1,255.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,717.11 : 4,072.83 = 1,255.06 : x
2. Step 2: Convert to fraction form
   2,717.11/4,072.83 = 1,255.06/x
3. Step 3: Cross multiply
   2,717.11x = 4,072.83 × 1,255.06
4. Step 4: Simplify right side
   2,717.11x = 5,111,646.02
5. Step 5: Solve for x
   x = 5,111,646.02/2,717.11
6. Step 6: Final answer
   x = 1,881.28