Finding the Fourth Proportional to 82,557.36, 123,836.58 and 20,227.86

Step by Step Solution

1. Step 1: Write the proportion equation
   82,557.36 : 123,836.58 = 20,227.86 : x
2. Step 2: Convert to fraction form
   82,557.36/123,836.58 = 20,227.86/x
3. Step 3: Cross multiply
   82,557.36x = 123,836.58 × 20,227.86
4. Step 4: Simplify right side
   82,557.36x = 2,504,949,003.12
5. Step 5: Solve for x
   x = 2,504,949,003.12/82,557.36
6. Step 6: Final answer
   x = 30,341.92