Finding the Fourth Proportional to 139,227.32, 208,794.16 and 50,462.24

Step by Step Solution

1. Step 1: Write the proportion equation
   139,227.32 : 208,794.16 = 50,462.24 : x
2. Step 2: Convert to fraction form
   139,227.32/208,794.16 = 50,462.24/x
3. Step 3: Cross multiply
   139,227.32x = 208,794.16 × 50,462.24
4. Step 4: Simplify right side
   139,227.32x = 10,536,221,012.52
5. Step 5: Solve for x
   x = 10,536,221,012.52/139,227.32
6. Step 6: Final answer
   x = 75,676.39