Finding the Fourth Proportional to 8,831.82, 12,187.22 and 5,055.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,831.82 : 12,187.22 = 5,055.06 : x
2. Step 2: Convert to fraction form
   8,831.82/12,187.22 = 5,055.06/x
3. Step 3: Cross multiply
   8,831.82x = 12,187.22 × 5,055.06
4. Step 4: Simplify right side
   8,831.82x = 61,607,103.06
5. Step 5: Solve for x
   x = 61,607,103.06/8,831.82
6. Step 6: Final answer
   x = 6,975.58