Finding the Fourth Proportional to 139,224.46, 208,836.46 and 50,477.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,224.46 : 208,836.46 = 50,477.82 : x
2. Step 2: Convert to fraction form
   139,224.46/208,836.46 = 50,477.82/x
3. Step 3: Cross multiply
   139,224.46x = 208,836.46 × 50,477.82
4. Step 4: Simplify right side
   139,224.46x = 10,541,609,237.32
5. Step 5: Solve for x
   x = 10,541,609,237.32/139,224.46
6. Step 6: Final answer
   x = 75,716.65