Finding the Fourth Proportional to 8,086.39, 12,132.54 and 3,407.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,086.39 : 12,132.54 = 3,407.58 : x
2. Step 2: Convert to fraction form
   8,086.39/12,132.54 = 3,407.58/x
3. Step 3: Cross multiply
   8,086.39x = 12,132.54 × 3,407.58
4. Step 4: Simplify right side
   8,086.39x = 41,342,600.65
5. Step 5: Solve for x
   x = 41,342,600.65/8,086.39
6. Step 6: Final answer
   x = 5,112.62