Finding the Fourth Proportional to 3,924.82, 5,414.69 and 2,245.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,924.82 : 5,414.69 = 2,245.90 : x
2. Step 2: Convert to fraction form
   3,924.82/5,414.69 = 2,245.90/x
3. Step 3: Cross multiply
   3,924.82x = 5,414.69 × 2,245.90
4. Step 4: Simplify right side
   3,924.82x = 12,160,841.04
5. Step 5: Solve for x
   x = 12,160,841.04/3,924.82
6. Step 6: Final answer
   x = 3,098.45