Finding the Fourth Proportional to 28,871.36, 43,308.72 and 8,096.48

Step by Step Solution

1. Step 1: Write the proportion equation
   28,871.36 : 43,308.72 = 8,096.48 : x
2. Step 2: Convert to fraction form
   28,871.36/43,308.72 = 8,096.48/x
3. Step 3: Cross multiply
   28,871.36x = 43,308.72 × 8,096.48
4. Step 4: Simplify right side
   28,871.36x = 350,648,185.31
5. Step 5: Solve for x
   x = 350,648,185.31/28,871.36
6. Step 6: Final answer
   x = 12,145.19