Finding the Fourth Proportional to 82,678.82, 124,028.42 and 23,519.09

Step by Step Solution

1. Step 1: Write the proportion equation
   82,678.82 : 124,028.42 = 23,519.09 : x
2. Step 2: Convert to fraction form
   82,678.82/124,028.42 = 23,519.09/x
3. Step 3: Cross multiply
   82,678.82x = 124,028.42 × 23,519.09
4. Step 4: Simplify right side
   82,678.82x = 2,917,035,765.01
5. Step 5: Solve for x
   x = 2,917,035,765.01/82,678.82
6. Step 6: Final answer
   x = 35,281.54