Finding the Fourth Proportional to 2,011.34, 2,777 and 1,256.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.34 : 2,777 = 1,256.27 : x
2. Step 2: Convert to fraction form
   2,011.34/2,777 = 1,256.27/x
3. Step 3: Cross multiply
   2,011.34x = 2,777 × 1,256.27
4. Step 4: Simplify right side
   2,011.34x = 3,488,661.79
5. Step 5: Solve for x
   x = 3,488,661.79/2,011.34
6. Step 6: Final answer
   x = 1,734.50