Finding the Fourth Proportional to 8,114.41, 12,147.87 and 7,336.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,114.41 : 12,147.87 = 7,336.20 : x
2. Step 2: Convert to fraction form
   8,114.41/12,147.87 = 7,336.20/x
3. Step 3: Cross multiply
   8,114.41x = 12,147.87 × 7,336.20
4. Step 4: Simplify right side
   8,114.41x = 89,119,203.89
5. Step 5: Solve for x
   x = 89,119,203.89/8,114.41
6. Step 6: Final answer
   x = 10,982.83