Finding the Fourth Proportional to 2,454.30, 3,678.82 and 1,785.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.30 : 3,678.82 = 1,785.59 : x
2. Step 2: Convert to fraction form
   2,454.30/3,678.82 = 1,785.59/x
3. Step 3: Cross multiply
   2,454.30x = 3,678.82 × 1,785.59
4. Step 4: Simplify right side
   2,454.30x = 6,568,875.83
5. Step 5: Solve for x
   x = 6,568,875.83/2,454.30
6. Step 6: Final answer
   x = 2,676.48