Finding the Fourth Proportional to 2,012.74, 2,776.35 and 1,256.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.74 : 2,776.35 = 1,256.94 : x
2. Step 2: Convert to fraction form
   2,012.74/2,776.35 = 1,256.94/x
3. Step 3: Cross multiply
   2,012.74x = 2,776.35 × 1,256.94
4. Step 4: Simplify right side
   2,012.74x = 3,489,705.37
5. Step 5: Solve for x
   x = 3,489,705.37/2,012.74
6. Step 6: Final answer
   x = 1,733.81