Finding the Fourth Proportional to 79,822.89, 119,734.38 and 20,664.54

Step by Step Solution

1. Step 1: Write the proportion equation
   79,822.89 : 119,734.38 = 20,664.54 : x
2. Step 2: Convert to fraction form
   79,822.89/119,734.38 = 20,664.54/x
3. Step 3: Cross multiply
   79,822.89x = 119,734.38 × 20,664.54
4. Step 4: Simplify right side
   79,822.89x = 2,474,255,884.89
5. Step 5: Solve for x
   x = 2,474,255,884.89/79,822.89
6. Step 6: Final answer
   x = 30,996.82