Finding the Fourth Proportional to 2,361.47, 3,258.83 and 1,313.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,361.47 : 3,258.83 = 1,313.55 : x
2. Step 2: Convert to fraction form
   2,361.47/3,258.83 = 1,313.55/x
3. Step 3: Cross multiply
   2,361.47x = 3,258.83 × 1,313.55
4. Step 4: Simplify right side
   2,361.47x = 4,280,639.43
5. Step 5: Solve for x
   x = 4,280,639.43/2,361.47
6. Step 6: Final answer
   x = 1,812.71