Finding the Fourth Proportional to 82,019.03, 123,028.53 and 19,689.53

Step by Step Solution

1. Step 1: Write the proportion equation
   82,019.03 : 123,028.53 = 19,689.53 : x
2. Step 2: Convert to fraction form
   82,019.03/123,028.53 = 19,689.53/x
3. Step 3: Cross multiply
   82,019.03x = 123,028.53 × 19,689.53
4. Step 4: Simplify right side
   82,019.03x = 2,422,373,932.29
5. Step 5: Solve for x
   x = 2,422,373,932.29/82,019.03
6. Step 6: Final answer
   x = 29,534.29