Finding the Fourth Proportional to 81,369.40, 122,073.59 and 33,958.12

Step by Step Solution

1. Step 1: Write the proportion equation
   81,369.40 : 122,073.59 = 33,958.12 : x
2. Step 2: Convert to fraction form
   81,369.40/122,073.59 = 33,958.12/x
3. Step 3: Cross multiply
   81,369.40x = 122,073.59 × 33,958.12
4. Step 4: Simplify right side
   81,369.40x = 4,145,389,618.05
5. Step 5: Solve for x
   x = 4,145,389,618.05/81,369.40
6. Step 6: Final answer
   x = 50,945.31