Finding the Fourth Proportional to 82,825.50, 124,238.25 and 20,496

Step by Step Solution

1. Step 1: Write the proportion equation
   82,825.50 : 124,238.25 = 20,496 : x
2. Step 2: Convert to fraction form
   82,825.50/124,238.25 = 20,496/x
3. Step 3: Cross multiply
   82,825.50x = 124,238.25 × 20,496
4. Step 4: Simplify right side
   82,825.50x = 2,546,387,172
5. Step 5: Solve for x
   x = 2,546,387,172/82,825.50
6. Step 6: Final answer
   x = 30,744