Finding the Fourth Proportional to 8,325.86, 12,480.27 and 3,947.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,325.86 : 12,480.27 = 3,947.00 : x
2. Step 2: Convert to fraction form
   8,325.86/12,480.27 = 3,947.00/x
3. Step 3: Cross multiply
   8,325.86x = 12,480.27 × 3,947.00
4. Step 4: Simplify right side
   8,325.86x = 49,259,563.29
5. Step 5: Solve for x
   x = 49,259,563.29/8,325.86
6. Step 6: Final answer
   x = 5,916.46