Finding the Fourth Proportional to 76,951.08, 106,108.78 and 50,043.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,951.08 : 106,108.78 = 50,043.72 : x
2. Step 2: Convert to fraction form
   76,951.08/106,108.78 = 50,043.72/x
3. Step 3: Cross multiply
   76,951.08x = 106,108.78 × 50,043.72
4. Step 4: Simplify right side
   76,951.08x = 5,310,078,075.86
5. Step 5: Solve for x
   x = 5,310,078,075.86/76,951.08
6. Step 6: Final answer
   x = 69,005.89