Finding the Fourth Proportional to 120,350.91, 166,084.43 and 65,902.82

Step by Step Solution

1. Step 1: Write the proportion equation
   120,350.91 : 166,084.43 = 65,902.82 : x
2. Step 2: Convert to fraction form
   120,350.91/166,084.43 = 65,902.82/x
3. Step 3: Cross multiply
   120,350.91x = 166,084.43 × 65,902.82
4. Step 4: Simplify right side
   120,350.91x = 10,945,431,135.16
5. Step 5: Solve for x
   x = 10,945,431,135.16/120,350.91
6. Step 6: Final answer
   x = 90,945.97