Finding the Fourth Proportional to 8,661.39, 12,982.78 and 4,500.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,661.39 : 12,982.78 = 4,500.37 : x
2. Step 2: Convert to fraction form
   8,661.39/12,982.78 = 4,500.37/x
3. Step 3: Cross multiply
   8,661.39x = 12,982.78 × 4,500.37
4. Step 4: Simplify right side
   8,661.39x = 58,427,313.63
5. Step 5: Solve for x
   x = 58,427,313.63/8,661.39
6. Step 6: Final answer
   x = 6,745.72