Finding the Fourth Proportional to 82,843.25, 124,227.95 and 30,215.81

Step by Step Solution

1. Step 1: Write the proportion equation
   82,843.25 : 124,227.95 = 30,215.81 : x
2. Step 2: Convert to fraction form
   82,843.25/124,227.95 = 30,215.81/x
3. Step 3: Cross multiply
   82,843.25x = 124,227.95 × 30,215.81
4. Step 4: Simplify right side
   82,843.25x = 3,753,648,293.38
5. Step 5: Solve for x
   x = 3,753,648,293.38/82,843.25
6. Step 6: Final answer
   x = 45,310.25