Finding the Fourth Proportional to 120,192.82, 165,715.42 and 77,096.38

Step by Step Solution

1. Step 1: Write the proportion equation
   120,192.82 : 165,715.42 = 77,096.38 : x
2. Step 2: Convert to fraction form
   120,192.82/165,715.42 = 77,096.38/x
3. Step 3: Cross multiply
   120,192.82x = 165,715.42 × 77,096.38
4. Step 4: Simplify right side
   120,192.82x = 12,776,058,992.18
5. Step 5: Solve for x
   x = 12,776,058,992.18/120,192.82
6. Step 6: Final answer
   x = 106,296.36