Finding the Fourth Proportional to 139,222.46, 208,833.46 and 50,475.83

Step by Step Solution

1. Step 1: Write the proportion equation
   139,222.46 : 208,833.46 = 50,475.83 : x
2. Step 2: Convert to fraction form
   139,222.46/208,833.46 = 50,475.83/x
3. Step 3: Cross multiply
   139,222.46x = 208,833.46 × 50,475.83
4. Step 4: Simplify right side
   139,222.46x = 10,541,041,054.91
5. Step 5: Solve for x
   x = 10,541,041,054.91/139,222.46
6. Step 6: Final answer
   x = 75,713.65