Finding the Fourth Proportional to 3,826.22, 5,278.82 and 2,500.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826.22 : 5,278.82 = 2,500.69 : x
2. Step 2: Convert to fraction form
   3,826.22/5,278.82 = 2,500.69/x
3. Step 3: Cross multiply
   3,826.22x = 5,278.82 × 2,500.69
4. Step 4: Simplify right side
   3,826.22x = 13,200,685.44
5. Step 5: Solve for x
   x = 13,200,685.44/3,826.22
6. Step 6: Final answer
   x = 3,450.06