Finding the Fourth Proportional to 8,131.41, 12,190.41 and 3,967.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,131.41 : 12,190.41 = 3,967.02 : x
2. Step 2: Convert to fraction form
   8,131.41/12,190.41 = 3,967.02/x
3. Step 3: Cross multiply
   8,131.41x = 12,190.41 × 3,967.02
4. Step 4: Simplify right side
   8,131.41x = 48,359,600.28
5. Step 5: Solve for x
   x = 48,359,600.28/8,131.41
6. Step 6: Final answer
   x = 5,947.26