Finding the Fourth Proportional to 8,104.55, 12,136.46 and 5,133.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,104.55 : 12,136.46 = 5,133.98 : x
2. Step 2: Convert to fraction form
   8,104.55/12,136.46 = 5,133.98/x
3. Step 3: Cross multiply
   8,104.55x = 12,136.46 × 5,133.98
4. Step 4: Simplify right side
   8,104.55x = 62,308,256.56
5. Step 5: Solve for x
   x = 62,308,256.56/8,104.55
6. Step 6: Final answer
   x = 7,688.06