Finding the Fourth Proportional to 9,297.86, 12,831.27 and 5,106.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,297.86 : 12,831.27 = 5,106.20 : x
2. Step 2: Convert to fraction form
   9,297.86/12,831.27 = 5,106.20/x
3. Step 3: Cross multiply
   9,297.86x = 12,831.27 × 5,106.20
4. Step 4: Simplify right side
   9,297.86x = 65,519,030.87
5. Step 5: Solve for x
   x = 65,519,030.87/9,297.86
6. Step 6: Final answer
   x = 7,046.68