Finding the Fourth Proportional to 50,856.78, 76,274.74 and 19,255.94

Step by Step Solution

1. Step 1: Write the proportion equation
   50,856.78 : 76,274.74 = 19,255.94 : x
2. Step 2: Convert to fraction form
   50,856.78/76,274.74 = 19,255.94/x
3. Step 3: Cross multiply
   50,856.78x = 76,274.74 × 19,255.94
4. Step 4: Simplify right side
   50,856.78x = 1,468,741,423.55
5. Step 5: Solve for x
   x = 1,468,741,423.55/50,856.78
6. Step 6: Final answer
   x = 28,879.96