Finding the Fourth Proportional to 2,012.58, 2,775.96 and 1,265.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.58 : 2,775.96 = 1,265.94 : x
2. Step 2: Convert to fraction form
   2,012.58/2,775.96 = 1,265.94/x
3. Step 3: Cross multiply
   2,012.58x = 2,775.96 × 1,265.94
4. Step 4: Simplify right side
   2,012.58x = 3,514,198.80
5. Step 5: Solve for x
   x = 3,514,198.80/2,012.58
6. Step 6: Final answer
   x = 1,746.12