Finding the Fourth Proportional to 49,694.82, 68,578.83 and 28,486.38

Step by Step Solution

1. Step 1: Write the proportion equation
   49,694.82 : 68,578.83 = 28,486.38 : x
2. Step 2: Convert to fraction form
   49,694.82/68,578.83 = 28,486.38/x
3. Step 3: Cross multiply
   49,694.82x = 68,578.83 × 28,486.38
4. Step 4: Simplify right side
   49,694.82x = 1,953,562,611.34
5. Step 5: Solve for x
   x = 1,953,562,611.34/49,694.82
6. Step 6: Final answer
   x = 39,311.19