Finding the Fourth Proportional to 139,091.28, 208,544.75 and 50,333.24

Step by Step Solution

1. Step 1: Write the proportion equation
   139,091.28 : 208,544.75 = 50,333.24 : x
2. Step 2: Convert to fraction form
   139,091.28/208,544.75 = 50,333.24/x
3. Step 3: Cross multiply
   139,091.28x = 208,544.75 × 50,333.24
4. Step 4: Simplify right side
   139,091.28x = 10,496,732,952.49
5. Step 5: Solve for x
   x = 10,496,732,952.49/139,091.28
6. Step 6: Final answer
   x = 75,466.51