Finding the Fourth Proportional to 9,297.92, 12,830.72 and 5,105.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,297.92 : 12,830.72 = 5,105.92 : x
2. Step 2: Convert to fraction form
   9,297.92/12,830.72 = 5,105.92/x
3. Step 3: Cross multiply
   9,297.92x = 12,830.72 × 5,105.92
4. Step 4: Simplify right side
   9,297.92x = 65,512,629.86
5. Step 5: Solve for x
   x = 65,512,629.86/9,297.92
6. Step 6: Final answer
   x = 7,045.94