Finding the Fourth Proportional to 9,249.16, 12,763.89 and 5,057.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,249.16 : 12,763.89 = 5,057.41 : x
2. Step 2: Convert to fraction form
   9,249.16/12,763.89 = 5,057.41/x
3. Step 3: Cross multiply
   9,249.16x = 12,763.89 × 5,057.41
4. Step 4: Simplify right side
   9,249.16x = 64,552,224.92
5. Step 5: Solve for x
   x = 64,552,224.92/9,249.16
6. Step 6: Final answer
   x = 6,979.25