Finding the Fourth Proportional to 2,233.11, 3,081.47 and 1,276.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.11 : 3,081.47 = 1,276.03 : x
2. Step 2: Convert to fraction form
   2,233.11/3,081.47 = 1,276.03/x
3. Step 3: Cross multiply
   2,233.11x = 3,081.47 × 1,276.03
4. Step 4: Simplify right side
   2,233.11x = 3,932,040.56
5. Step 5: Solve for x
   x = 3,932,040.56/2,233.11
6. Step 6: Final answer
   x = 1,760.79