Finding the Fourth Proportional to 8,447.00, 12,672.69 and 4,940.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,447.00 : 12,672.69 = 4,940.00 : x
2. Step 2: Convert to fraction form
   8,447.00/12,672.69 = 4,940.00/x
3. Step 3: Cross multiply
   8,447.00x = 12,672.69 × 4,940.00
4. Step 4: Simplify right side
   8,447.00x = 62,603,025.24
5. Step 5: Solve for x
   x = 62,603,025.24/8,447.00
6. Step 6: Final answer
   x = 7,411.28