Finding the Fourth Proportional to 8,831.30, 12,187.33 and 4,852.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,831.30 : 12,187.33 = 4,852.78 : x
2. Step 2: Convert to fraction form
   8,831.30/12,187.33 = 4,852.78/x
3. Step 3: Cross multiply
   8,831.30x = 12,187.33 × 4,852.78
4. Step 4: Simplify right side
   8,831.30x = 59,142,388.68
5. Step 5: Solve for x
   x = 59,142,388.68/8,831.30
6. Step 6: Final answer
   x = 6,696.91