Finding the Fourth Proportional to 8,200.42, 12,294.67 and 3,268.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,200.42 : 12,294.67 = 3,268.58 : x
2. Step 2: Convert to fraction form
   8,200.42/12,294.67 = 3,268.58/x
3. Step 3: Cross multiply
   8,200.42x = 12,294.67 × 3,268.58
4. Step 4: Simplify right side
   8,200.42x = 40,186,112.47
5. Step 5: Solve for x
   x = 40,186,112.47/8,200.42
6. Step 6: Final answer
   x = 4,900.49