Finding the Fourth Proportional to 8,399.36, 12,591.20 and 2,848.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,399.36 : 12,591.20 = 2,848.82 : x
2. Step 2: Convert to fraction form
   8,399.36/12,591.20 = 2,848.82/x
3. Step 3: Cross multiply
   8,399.36x = 12,591.20 × 2,848.82
4. Step 4: Simplify right side
   8,399.36x = 35,870,006.55
5. Step 5: Solve for x
   x = 35,870,006.55/8,399.36
6. Step 6: Final answer
   x = 4,270.56