Finding the Fourth Proportional to 2,003.63, 2,763.96 and 1,256.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.63 : 2,763.96 = 1,256.18 : x
2. Step 2: Convert to fraction form
   2,003.63/2,763.96 = 1,256.18/x
3. Step 3: Cross multiply
   2,003.63x = 2,763.96 × 1,256.18
4. Step 4: Simplify right side
   2,003.63x = 3,472,031.27
5. Step 5: Solve for x
   x = 3,472,031.27/2,003.63
6. Step 6: Final answer
   x = 1,732.87