Finding the Fourth Proportional to 8,132.41, 12,190.24 and 3,200.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,132.41 : 12,190.24 = 3,200.05 : x
2. Step 2: Convert to fraction form
   8,132.41/12,190.24 = 3,200.05/x
3. Step 3: Cross multiply
   8,132.41x = 12,190.24 × 3,200.05
4. Step 4: Simplify right side
   8,132.41x = 39,009,377.51
5. Step 5: Solve for x
   x = 39,009,377.51/8,132.41
6. Step 6: Final answer
   x = 4,796.78