Finding the Fourth Proportional to 50,758.53, 76,137.37 and 39,674.54

Step by Step Solution

1. Step 1: Write the proportion equation
   50,758.53 : 76,137.37 = 39,674.54 : x
2. Step 2: Convert to fraction form
   50,758.53/76,137.37 = 39,674.54/x
3. Step 3: Cross multiply
   50,758.53x = 76,137.37 × 39,674.54
4. Step 4: Simplify right side
   50,758.53x = 3,020,715,131.56
5. Step 5: Solve for x
   x = 3,020,715,131.56/50,758.53
6. Step 6: Final answer
   x = 59,511.48