Finding the Fourth Proportional to 7,067.67, 9,762.57 and 5,378.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,067.67 : 9,762.57 = 5,378.82 : x
2. Step 2: Convert to fraction form
   7,067.67/9,762.57 = 5,378.82/x
3. Step 3: Cross multiply
   7,067.67x = 9,762.57 × 5,378.82
4. Step 4: Simplify right side
   7,067.67x = 52,511,106.77
5. Step 5: Solve for x
   x = 52,511,106.77/7,067.67
6. Step 6: Final answer
   x = 7,429.76