Finding the Fourth Proportional to 8,384.00, 12,579.48 and 4,439.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,384.00 : 12,579.48 = 4,439.72 : x
2. Step 2: Convert to fraction form
   8,384.00/12,579.48 = 4,439.72/x
3. Step 3: Cross multiply
   8,384.00x = 12,579.48 × 4,439.72
4. Step 4: Simplify right side
   8,384.00x = 55,849,400.39
5. Step 5: Solve for x
   x = 55,849,400.39/8,384.00
6. Step 6: Final answer
   x = 6,661.43