Finding the Fourth Proportional to 139,371.42, 209,044.83 and 50,625.70

Step by Step Solution

1. Step 1: Write the proportion equation
   139,371.42 : 209,044.83 = 50,625.70 : x
2. Step 2: Convert to fraction form
   139,371.42/209,044.83 = 50,625.70/x
3. Step 3: Cross multiply
   139,371.42x = 209,044.83 × 50,625.70
4. Step 4: Simplify right side
   139,371.42x = 10,583,040,137.67
5. Step 5: Solve for x
   x = 10,583,040,137.67/139,371.42
6. Step 6: Final answer
   x = 75,934.07