Finding the Fourth Proportional to 89,146.37, 123,015.75 and 50,908.03

Step by Step Solution

1. Step 1: Write the proportion equation
   89,146.37 : 123,015.75 = 50,908.03 : x
2. Step 2: Convert to fraction form
   89,146.37/123,015.75 = 50,908.03/x
3. Step 3: Cross multiply
   89,146.37x = 123,015.75 × 50,908.03
4. Step 4: Simplify right side
   89,146.37x = 6,262,488,993.03
5. Step 5: Solve for x
   x = 6,262,488,993.03/89,146.37
6. Step 6: Final answer
   x = 70,249.51