Finding the Fourth Proportional to 8,132.42, 12,190.24 and 3,200.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,132.42 : 12,190.24 = 3,200.06 : x
2. Step 2: Convert to fraction form
   8,132.42/12,190.24 = 3,200.06/x
3. Step 3: Cross multiply
   8,132.42x = 12,190.24 × 3,200.06
4. Step 4: Simplify right side
   8,132.42x = 39,009,499.41
5. Step 5: Solve for x
   x = 39,009,499.41/8,132.42
6. Step 6: Final answer
   x = 4,796.79