Finding the Fourth Proportional to 2,012.32, 2,776.96 and 1,266.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.32 : 2,776.96 = 1,266.72 : x
2. Step 2: Convert to fraction form
   2,012.32/2,776.96 = 1,266.72/x
3. Step 3: Cross multiply
   2,012.32x = 2,776.96 × 1,266.72
4. Step 4: Simplify right side
   2,012.32x = 3,517,630.77
5. Step 5: Solve for x
   x = 3,517,630.77/2,012.32
6. Step 6: Final answer
   x = 1,748.05