Finding the Fourth Proportional to 8,123.46, 12,186.46 and 3,443.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,123.46 : 12,186.46 = 3,443.48 : x
2. Step 2: Convert to fraction form
   8,123.46/12,186.46 = 3,443.48/x
3. Step 3: Cross multiply
   8,123.46x = 12,186.46 × 3,443.48
4. Step 4: Simplify right side
   8,123.46x = 41,963,831.28
5. Step 5: Solve for x
   x = 41,963,831.28/8,123.46
6. Step 6: Final answer
   x = 5,165.76