Finding the Fourth Proportional to 49,687.35, 68,578.82 and 30,576.61

Step by Step Solution

1. Step 1: Write the proportion equation
   49,687.35 : 68,578.82 = 30,576.61 : x
2. Step 2: Convert to fraction form
   49,687.35/68,578.82 = 30,576.61/x
3. Step 3: Cross multiply
   49,687.35x = 68,578.82 × 30,576.61
4. Step 4: Simplify right side
   49,687.35x = 2,096,907,833.40
5. Step 5: Solve for x
   x = 2,096,907,833.40/49,687.35
6. Step 6: Final answer
   x = 42,202.05