Finding the Fourth Proportional to 8,448.77, 12,671.82 and 2,826.39

Step by Step Solution

1. Step 1: Write the proportion equation
   8,448.77 : 12,671.82 = 2,826.39 : x
2. Step 2: Convert to fraction form
   8,448.77/12,671.82 = 2,826.39/x
3. Step 3: Cross multiply
   8,448.77x = 12,671.82 × 2,826.39
4. Step 4: Simplify right side
   8,448.77x = 35,815,505.33
5. Step 5: Solve for x
   x = 35,815,505.33/8,448.77
6. Step 6: Final answer
   x = 4,239.14