Finding the Fourth Proportional to 3,851.84, 5,315.00 and 2,258.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,851.84 : 5,315.00 = 2,258.43 : x
2. Step 2: Convert to fraction form
   3,851.84/5,315.00 = 2,258.43/x
3. Step 3: Cross multiply
   3,851.84x = 5,315.00 × 2,258.43
4. Step 4: Simplify right side
   3,851.84x = 12,003,544.16
5. Step 5: Solve for x
   x = 12,003,544.16/3,851.84
6. Step 6: Final answer
   x = 3,116.32