Finding the Fourth Proportional to 82,504.50, 123,759.18 and 20,175

Step by Step Solution

1. Step 1: Write the proportion equation
   82,504.50 : 123,759.18 = 20,175 : x
2. Step 2: Convert to fraction form
   82,504.50/123,759.18 = 20,175/x
3. Step 3: Cross multiply
   82,504.50x = 123,759.18 × 20,175
4. Step 4: Simplify right side
   82,504.50x = 2,496,841,456.50
5. Step 5: Solve for x
   x = 2,496,841,456.50/82,504.50
6. Step 6: Final answer
   x = 30,263.09