Finding the Fourth Proportional to 3,878, 5,819.56 and 1,826.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,878 : 5,819.56 = 1,826.16 : x
2. Step 2: Convert to fraction form
   3,878/5,819.56 = 1,826.16/x
3. Step 3: Cross multiply
   3,878x = 5,819.56 × 1,826.16
4. Step 4: Simplify right side
   3,878x = 10,627,447.69
5. Step 5: Solve for x
   x = 10,627,447.69/3,878
6. Step 6: Final answer
   x = 2,740.45