Finding the Fourth Proportional to 8,096.23, 12,131.74 and 5,128.41

Step by Step Solution

1. Step 1: Write the proportion equation
   8,096.23 : 12,131.74 = 5,128.41 : x
2. Step 2: Convert to fraction form
   8,096.23/12,131.74 = 5,128.41/x
3. Step 3: Cross multiply
   8,096.23x = 12,131.74 × 5,128.41
4. Step 4: Simplify right side
   8,096.23x = 62,216,536.73
5. Step 5: Solve for x
   x = 62,216,536.73/8,096.23
6. Step 6: Final answer
   x = 7,684.63