Finding the Fourth Proportional to 50,081.14, 69,112.02 and 31,218.28

Step by Step Solution

1. Step 1: Write the proportion equation
   50,081.14 : 69,112.02 = 31,218.28 : x
2. Step 2: Convert to fraction form
   50,081.14/69,112.02 = 31,218.28/x
3. Step 3: Cross multiply
   50,081.14x = 69,112.02 × 31,218.28
4. Step 4: Simplify right side
   50,081.14x = 2,157,558,391.73
5. Step 5: Solve for x
   x = 2,157,558,391.73/50,081.14
6. Step 6: Final answer
   x = 43,081.26