Finding the Fourth Proportional to 8,289.72, 12,437.82 and 3,096

Step by Step Solution

1. Step 1: Write the proportion equation
   8,289.72 : 12,437.82 = 3,096 : x
2. Step 2: Convert to fraction form
   8,289.72/12,437.82 = 3,096/x
3. Step 3: Cross multiply
   8,289.72x = 12,437.82 × 3,096
4. Step 4: Simplify right side
   8,289.72x = 38,507,490.72
5. Step 5: Solve for x
   x = 38,507,490.72/8,289.72
6. Step 6: Final answer
   x = 4,645.21