Finding the Fourth Proportional to 2,546.42, 3,819 and 1,085.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,546.42 : 3,819 = 1,085.42 : x
2. Step 2: Convert to fraction form
   2,546.42/3,819 = 1,085.42/x
3. Step 3: Cross multiply
   2,546.42x = 3,819 × 1,085.42
4. Step 4: Simplify right side
   2,546.42x = 4,145,218.98
5. Step 5: Solve for x
   x = 4,145,218.98/2,546.42
6. Step 6: Final answer
   x = 1,627.86