Finding the Fourth Proportional to 139,032.18, 208,564.38 and 50,327.46

Step by Step Solution

1. Step 1: Write the proportion equation
   139,032.18 : 208,564.38 = 50,327.46 : x
2. Step 2: Convert to fraction form
   139,032.18/208,564.38 = 50,327.46/x
3. Step 3: Cross multiply
   139,032.18x = 208,564.38 × 50,327.46
4. Step 4: Simplify right side
   139,032.18x = 10,496,515,491.87
5. Step 5: Solve for x
   x = 10,496,515,491.87/139,032.18
6. Step 6: Final answer
   x = 75,497.02