Finding the Fourth Proportional to 2,451.82, 3,678.33 and 1,219.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451.82 : 3,678.33 = 1,219.81 : x
2. Step 2: Convert to fraction form
   2,451.82/3,678.33 = 1,219.81/x
3. Step 3: Cross multiply
   2,451.82x = 3,678.33 × 1,219.81
4. Step 4: Simplify right side
   2,451.82x = 4,486,863.72
5. Step 5: Solve for x
   x = 4,486,863.72/2,451.82
6. Step 6: Final answer
   x = 1,830.01