Finding the Fourth Proportional to 139,060.94, 208,467.65 and 50,294.73

Step by Step Solution

1. Step 1: Write the proportion equation
   139,060.94 : 208,467.65 = 50,294.73 : x
2. Step 2: Convert to fraction form
   139,060.94/208,467.65 = 50,294.73/x
3. Step 3: Cross multiply
   139,060.94x = 208,467.65 × 50,294.73
4. Step 4: Simplify right side
   139,060.94x = 10,484,824,170.48
5. Step 5: Solve for x
   x = 10,484,824,170.48/139,060.94
6. Step 6: Final answer
   x = 75,397.33