Finding the Fourth Proportional to 79,667.82, 119,507.85 and 20,504.07

Step by Step Solution

1. Step 1: Write the proportion equation
   79,667.82 : 119,507.85 = 20,504.07 : x
2. Step 2: Convert to fraction form
   79,667.82/119,507.85 = 20,504.07/x
3. Step 3: Cross multiply
   79,667.82x = 119,507.85 × 20,504.07
4. Step 4: Simplify right side
   79,667.82x = 2,450,397,321.95
5. Step 5: Solve for x
   x = 2,450,397,321.95/79,667.82
6. Step 6: Final answer
   x = 30,757.68