Finding the Fourth Proportional to 8,067.45, 12,099.50 and 3,136.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,067.45 : 12,099.50 = 3,136.98 : x
2. Step 2: Convert to fraction form
   8,067.45/12,099.50 = 3,136.98/x
3. Step 3: Cross multiply
   8,067.45x = 12,099.50 × 3,136.98
4. Step 4: Simplify right side
   8,067.45x = 37,955,871.72
5. Step 5: Solve for x
   x = 37,955,871.72/8,067.45
6. Step 6: Final answer
   x = 4,704.82