Finding the Fourth Proportional to 2,002.93, 2,764.13 and 1,256.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.93 : 2,764.13 = 1,256.31 : x
2. Step 2: Convert to fraction form
   2,002.93/2,764.13 = 1,256.31/x
3. Step 3: Cross multiply
   2,002.93x = 2,764.13 × 1,256.31
4. Step 4: Simplify right side
   2,002.93x = 3,472,597.88
5. Step 5: Solve for x
   x = 3,472,597.88/2,002.93
6. Step 6: Final answer
   x = 1,733.76