Finding the Fourth Proportional to 100,945.82, 139,361.10 and 60,669.38

Step by Step Solution

1. Step 1: Write the proportion equation
   100,945.82 : 139,361.10 = 60,669.38 : x
2. Step 2: Convert to fraction form
   100,945.82/139,361.10 = 60,669.38/x
3. Step 3: Cross multiply
   100,945.82x = 139,361.10 × 60,669.38
4. Step 4: Simplify right side
   100,945.82x = 8,454,951,533.12
5. Step 5: Solve for x
   x = 8,454,951,533.12/100,945.82
6. Step 6: Final answer
   x = 83,757.32