Finding the Fourth Proportional to 81,789.54, 112,849.38 and 49,946.82

Step by Step Solution

1. Step 1: Write the proportion equation
   81,789.54 : 112,849.38 = 49,946.82 : x
2. Step 2: Convert to fraction form
   81,789.54/112,849.38 = 49,946.82/x
3. Step 3: Cross multiply
   81,789.54x = 112,849.38 × 49,946.82
4. Step 4: Simplify right side
   81,789.54x = 5,636,467,669.97
5. Step 5: Solve for x
   x = 5,636,467,669.97/81,789.54
6. Step 6: Final answer
   x = 68,914.29