Finding the Fourth Proportional to 2,258.27, 3,116.32 and 1,263.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258.27 : 3,116.32 = 1,263.54 : x
2. Step 2: Convert to fraction form
   2,258.27/3,116.32 = 1,263.54/x
3. Step 3: Cross multiply
   2,258.27x = 3,116.32 × 1,263.54
4. Step 4: Simplify right side
   2,258.27x = 3,937,591.81
5. Step 5: Solve for x
   x = 3,937,591.81/2,258.27
6. Step 6: Final answer
   x = 1,743.64