Finding the Fourth Proportional to 139,676.33, 192,757.37 and 76,018.16

Step by Step Solution

1. Step 1: Write the proportion equation
   139,676.33 : 192,757.37 = 76,018.16 : x
2. Step 2: Convert to fraction form
   139,676.33/192,757.37 = 76,018.16/x
3. Step 3: Cross multiply
   139,676.33x = 192,757.37 × 76,018.16
4. Step 4: Simplify right side
   139,676.33x = 14,653,059,249.96
5. Step 5: Solve for x
   x = 14,653,059,249.96/139,676.33
6. Step 6: Final answer
   x = 104,907.25