Finding the Fourth Proportional to 2,203.08, 3,039.30 and 1,258.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,203.08 : 3,039.30 = 1,258.76 : x
2. Step 2: Convert to fraction form
   2,203.08/3,039.30 = 1,258.76/x
3. Step 3: Cross multiply
   2,203.08x = 3,039.30 × 1,258.76
4. Step 4: Simplify right side
   2,203.08x = 3,825,749.27
5. Step 5: Solve for x
   x = 3,825,749.27/2,203.08
6. Step 6: Final answer
   x = 1,736.55