Finding the Fourth Proportional to 8,155.10, 12,205.46 and 6,196.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,155.10 : 12,205.46 = 6,196.34 : x
2. Step 2: Convert to fraction form
   8,155.10/12,205.46 = 6,196.34/x
3. Step 3: Cross multiply
   8,155.10x = 12,205.46 × 6,196.34
4. Step 4: Simplify right side
   8,155.10x = 75,629,180.02
5. Step 5: Solve for x
   x = 75,629,180.02/8,155.10
6. Step 6: Final answer
   x = 9,273.85