Finding the Fourth Proportional to 2,846.22, 3,930.22 and 1,785.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,846.22 : 3,930.22 = 1,785.78 : x
2. Step 2: Convert to fraction form
   2,846.22/3,930.22 = 1,785.78/x
3. Step 3: Cross multiply
   2,846.22x = 3,930.22 × 1,785.78
4. Step 4: Simplify right side
   2,846.22x = 7,018,508.27
5. Step 5: Solve for x
   x = 7,018,508.27/2,846.22
6. Step 6: Final answer
   x = 2,465.91