Finding the Fourth Proportional to 82,856.71, 124,217.56 and 38,511.37

Step by Step Solution

1. Step 1: Write the proportion equation
   82,856.71 : 124,217.56 = 38,511.37 : x
2. Step 2: Convert to fraction form
   82,856.71/124,217.56 = 38,511.37/x
3. Step 3: Cross multiply
   82,856.71x = 124,217.56 × 38,511.37
4. Step 4: Simplify right side
   82,856.71x = 4,783,788,413.66
5. Step 5: Solve for x
   x = 4,783,788,413.66/82,856.71
6. Step 6: Final answer
   x = 57,735.68