Finding the Fourth Proportional to 7,067.34, 10,605.18 and 2,688.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,067.34 : 10,605.18 = 2,688.48 : x
2. Step 2: Convert to fraction form
   7,067.34/10,605.18 = 2,688.48/x
3. Step 3: Cross multiply
   7,067.34x = 10,605.18 × 2,688.48
4. Step 4: Simplify right side
   7,067.34x = 28,511,814.33
5. Step 5: Solve for x
   x = 28,511,814.33/7,067.34
6. Step 6: Final answer
   x = 4,034.31