Finding the Fourth Proportional to 119,311.38, 164,649.78 and 65,597.31

Step by Step Solution

1. Step 1: Write the proportion equation
   119,311.38 : 164,649.78 = 65,597.31 : x
2. Step 2: Convert to fraction form
   119,311.38/164,649.78 = 65,597.31/x
3. Step 3: Cross multiply
   119,311.38x = 164,649.78 × 65,597.31
4. Step 4: Simplify right side
   119,311.38x = 10,800,582,660.09
5. Step 5: Solve for x
   x = 10,800,582,660.09/119,311.38
6. Step 6: Final answer
   x = 90,524.33