Finding the Fourth Proportional to 2,003.93, 2,765.51 and 1,257.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.93 : 2,765.51 = 1,257.31 : x
2. Step 2: Convert to fraction form
   2,003.93/2,765.51 = 1,257.31/x
3. Step 3: Cross multiply
   2,003.93x = 2,765.51 × 1,257.31
4. Step 4: Simplify right side
   2,003.93x = 3,477,103.38
5. Step 5: Solve for x
   x = 3,477,103.38/2,003.93
6. Step 6: Final answer
   x = 1,735.14