Finding the Fourth Proportional to 2,258.37, 3,116.54 and 1,263.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258.37 : 3,116.54 = 1,263.69 : x
2. Step 2: Convert to fraction form
   2,258.37/3,116.54 = 1,263.69/x
3. Step 3: Cross multiply
   2,258.37x = 3,116.54 × 1,263.69
4. Step 4: Simplify right side
   2,258.37x = 3,938,340.43
5. Step 5: Solve for x
   x = 3,938,340.43/2,258.37
6. Step 6: Final answer
   x = 1,743.89