Finding the Fourth Proportional to 2,266.76, 3,127.83 and 1,272.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,266.76 : 3,127.83 = 1,272.03 : x
2. Step 2: Convert to fraction form
   2,266.76/3,127.83 = 1,272.03/x
3. Step 3: Cross multiply
   2,266.76x = 3,127.83 × 1,272.03
4. Step 4: Simplify right side
   2,266.76x = 3,978,693.59
5. Step 5: Solve for x
   x = 3,978,693.59/2,266.76
6. Step 6: Final answer
   x = 1,755.23