Finding the Fourth Proportional to 139,373.37, 209,085.26 and 50,751.27

Step by Step Solution

1. Step 1: Write the proportion equation
   139,373.37 : 209,085.26 = 50,751.27 : x
2. Step 2: Convert to fraction form
   139,373.37/209,085.26 = 50,751.27/x
3. Step 3: Cross multiply
   139,373.37x = 209,085.26 × 50,751.27
4. Step 4: Simplify right side
   139,373.37x = 10,611,342,229.52
5. Step 5: Solve for x
   x = 10,611,342,229.52/139,373.37
6. Step 6: Final answer
   x = 76,136.08