Finding the Fourth Proportional to 139,562.86, 209,363.73 and 50,799.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,562.86 : 209,363.73 = 50,799.82 : x
2. Step 2: Convert to fraction form
   139,562.86/209,363.73 = 50,799.82/x
3. Step 3: Cross multiply
   139,562.86x = 209,363.73 × 50,799.82
4. Step 4: Simplify right side
   139,562.86x = 10,635,639,798.53
5. Step 5: Solve for x
   x = 10,635,639,798.53/139,562.86
6. Step 6: Final answer
   x = 76,206.81