Finding the Fourth Proportional to 131,951.37, 182,112.71 and 103,868.49

Step by Step Solution

1. Step 1: Write the proportion equation
   131,951.37 : 182,112.71 = 103,868.49 : x
2. Step 2: Convert to fraction form
   131,951.37/182,112.71 = 103,868.49/x
3. Step 3: Cross multiply
   131,951.37x = 182,112.71 × 103,868.49
4. Step 4: Simplify right side
   131,951.37x = 18,915,771,678.17
5. Step 5: Solve for x
   x = 18,915,771,678.17/131,951.37
6. Step 6: Final answer
   x = 143,354.11