Finding the Fourth Proportional to 2,258.34, 3,116.69 and 1,263.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258.34 : 3,116.69 = 1,263.84 : x
2. Step 2: Convert to fraction form
   2,258.34/3,116.69 = 1,263.84/x
3. Step 3: Cross multiply
   2,258.34x = 3,116.69 × 1,263.84
4. Step 4: Simplify right side
   2,258.34x = 3,938,997.49
5. Step 5: Solve for x
   x = 3,938,997.49/2,258.34
6. Step 6: Final answer
   x = 1,744.20