Finding the Fourth Proportional to 3,818.53, 5,723.85 and 2,258.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,818.53 : 5,723.85 = 2,258.22 : x
2. Step 2: Convert to fraction form
   3,818.53/5,723.85 = 2,258.22/x
3. Step 3: Cross multiply
   3,818.53x = 5,723.85 × 2,258.22
4. Step 4: Simplify right side
   3,818.53x = 12,925,712.55
5. Step 5: Solve for x
   x = 12,925,712.55/3,818.53
6. Step 6: Final answer
   x = 3,385.00