Finding the Fourth Proportional to 50,758.72, 76,137.84 and 33,856

Step by Step Solution

1. Step 1: Write the proportion equation
   50,758.72 : 76,137.84 = 33,856 : x
2. Step 2: Convert to fraction form
   50,758.72/76,137.84 = 33,856/x
3. Step 3: Cross multiply
   50,758.72x = 76,137.84 × 33,856
4. Step 4: Simplify right side
   50,758.72x = 2,577,722,711.04
5. Step 5: Solve for x
   x = 2,577,722,711.04/50,758.72
6. Step 6: Final answer
   x = 50,783.84