Finding the Fourth Proportional to 2,012.06, 2,776.04 and 1,266.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.06 : 2,776.04 = 1,266.76 : x
2. Step 2: Convert to fraction form
   2,012.06/2,776.04 = 1,266.76/x
3. Step 3: Cross multiply
   2,012.06x = 2,776.04 × 1,266.76
4. Step 4: Simplify right side
   2,012.06x = 3,516,578.32
5. Step 5: Solve for x
   x = 3,516,578.32/2,012.06
6. Step 6: Final answer
   x = 1,747.75