Finding the Fourth Proportional to 139,093.02, 208,587.15 and 50,324.58

Step by Step Solution

1. Step 1: Write the proportion equation
   139,093.02 : 208,587.15 = 50,324.58 : x
2. Step 2: Convert to fraction form
   139,093.02/208,587.15 = 50,324.58/x
3. Step 3: Cross multiply
   139,093.02x = 208,587.15 × 50,324.58
4. Step 4: Simplify right side
   139,093.02x = 10,497,060,717.15
5. Step 5: Solve for x
   x = 10,497,060,717.15/139,093.02
6. Step 6: Final answer
   x = 75,467.92