Finding the Fourth Proportional to 8,099.35, 12,141.83 and 4,148.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,099.35 : 12,141.83 = 4,148.42 : x
2. Step 2: Convert to fraction form
   8,099.35/12,141.83 = 4,148.42/x
3. Step 3: Cross multiply
   8,099.35x = 12,141.83 × 4,148.42
4. Step 4: Simplify right side
   8,099.35x = 50,369,360.07
5. Step 5: Solve for x
   x = 50,369,360.07/8,099.35
6. Step 6: Final answer
   x = 6,218.94