Finding the Fourth Proportional to 9,249.69, 12,764.57 and 5,057.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,249.69 : 12,764.57 = 5,057.94 : x
2. Step 2: Convert to fraction form
   9,249.69/12,764.57 = 5,057.94/x
3. Step 3: Cross multiply
   9,249.69x = 12,764.57 × 5,057.94
4. Step 4: Simplify right side
   9,249.69x = 64,562,429.19
5. Step 5: Solve for x
   x = 64,562,429.19/9,249.69
6. Step 6: Final answer
   x = 6,979.96