Finding the Fourth Proportional to 82,508.50, 123,765.18 and 20,179

Step by Step Solution

1. Step 1: Write the proportion equation
   82,508.50 : 123,765.18 = 20,179 : x
2. Step 2: Convert to fraction form
   82,508.50/123,765.18 = 20,179/x
3. Step 3: Cross multiply
   82,508.50x = 123,765.18 × 20,179
4. Step 4: Simplify right side
   82,508.50x = 2,497,457,567.22
5. Step 5: Solve for x
   x = 2,497,457,567.22/82,508.50
6. Step 6: Final answer
   x = 30,269.09