Finding the Fourth Proportional to 10,731.45, 16,067.46 and 8,090.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,731.45 : 16,067.46 = 8,090.96 : x
2. Step 2: Convert to fraction form
   10,731.45/16,067.46 = 8,090.96/x
3. Step 3: Cross multiply
   10,731.45x = 16,067.46 × 8,090.96
4. Step 4: Simplify right side
   10,731.45x = 130,001,095.82
5. Step 5: Solve for x
   x = 130,001,095.82/10,731.45
6. Step 6: Final answer
   x = 12,114.03