Finding the Fourth Proportional to 2,013.82, 2,778.02 and 1,266.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.82 : 2,778.02 = 1,266.37 : x
2. Step 2: Convert to fraction form
   2,013.82/2,778.02 = 1,266.37/x
3. Step 3: Cross multiply
   2,013.82x = 2,778.02 × 1,266.37
4. Step 4: Simplify right side
   2,013.82x = 3,517,992.66
5. Step 5: Solve for x
   x = 3,517,992.66/2,013.82
6. Step 6: Final answer
   x = 1,746.93