Finding the Fourth Proportional to 82,606.50, 123,912.18 and 20,277

Step by Step Solution

1. Step 1: Write the proportion equation
   82,606.50 : 123,912.18 = 20,277 : x
2. Step 2: Convert to fraction form
   82,606.50/123,912.18 = 20,277/x
3. Step 3: Cross multiply
   82,606.50x = 123,912.18 × 20,277
4. Step 4: Simplify right side
   82,606.50x = 2,512,567,273.86
5. Step 5: Solve for x
   x = 2,512,567,273.86/82,606.50
6. Step 6: Final answer
   x = 30,416.10