Finding the Fourth Proportional to 2,003.22, 2,764.35 and 1,256.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.22 : 2,764.35 = 1,256.94 : x
2. Step 2: Convert to fraction form
   2,003.22/2,764.35 = 1,256.94/x
3. Step 3: Cross multiply
   2,003.22x = 2,764.35 × 1,256.94
4. Step 4: Simplify right side
   2,003.22x = 3,474,622.09
5. Step 5: Solve for x
   x = 3,474,622.09/2,003.22
6. Step 6: Final answer
   x = 1,734.52