Finding the Fourth Proportional to 9,297.88, 12,831.37 and 5,106.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,297.88 : 12,831.37 = 5,106.13 : x
2. Step 2: Convert to fraction form
   9,297.88/12,831.37 = 5,106.13/x
3. Step 3: Cross multiply
   9,297.88x = 12,831.37 × 5,106.13
4. Step 4: Simplify right side
   9,297.88x = 65,518,643.30
5. Step 5: Solve for x
   x = 65,518,643.30/9,297.88
6. Step 6: Final answer
   x = 7,046.62