Finding the Fourth Proportional to 2,794.56, 3,858.18 and 1,851.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,794.56 : 3,858.18 = 1,851.15 : x
2. Step 2: Convert to fraction form
   2,794.56/3,858.18 = 1,851.15/x
3. Step 3: Cross multiply
   2,794.56x = 3,858.18 × 1,851.15
4. Step 4: Simplify right side
   2,794.56x = 7,142,087.85
5. Step 5: Solve for x
   x = 7,142,087.85/2,794.56
6. Step 6: Final answer
   x = 2,555.71