Finding the Fourth Proportional to 82,275.78, 123,413.25 and 19,946.28

Step by Step Solution

1. Step 1: Write the proportion equation
   82,275.78 : 123,413.25 = 19,946.28 : x
2. Step 2: Convert to fraction form
   82,275.78/123,413.25 = 19,946.28/x
3. Step 3: Cross multiply
   82,275.78x = 123,413.25 × 19,946.28
4. Step 4: Simplify right side
   82,275.78x = 2,461,635,240.21
5. Step 5: Solve for x
   x = 2,461,635,240.21/82,275.78
6. Step 6: Final answer
   x = 29,919.32