Finding the Fourth Proportional to 139,536.22, 209,179.71 and 50,727.16

Step by Step Solution

1. Step 1: Write the proportion equation
   139,536.22 : 209,179.71 = 50,727.16 : x
2. Step 2: Convert to fraction form
   139,536.22/209,179.71 = 50,727.16/x
3. Step 3: Cross multiply
   139,536.22x = 209,179.71 × 50,727.16
4. Step 4: Simplify right side
   139,536.22x = 10,611,092,617.92
5. Step 5: Solve for x
   x = 10,611,092,617.92/139,536.22
6. Step 6: Final answer
   x = 76,045.44