Finding the Fourth Proportional to 2,846.37, 3,928.74 and 1,854.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,846.37 : 3,928.74 = 1,854.12 : x
2. Step 2: Convert to fraction form
   2,846.37/3,928.74 = 1,854.12/x
3. Step 3: Cross multiply
   2,846.37x = 3,928.74 × 1,854.12
4. Step 4: Simplify right side
   2,846.37x = 7,284,355.41
5. Step 5: Solve for x
   x = 7,284,355.41/2,846.37
6. Step 6: Final answer
   x = 2,559.17