Finding the Fourth Proportional to 51,259,418.20, 76,943,160.78 and 50,102,650.72

Step by Step Solution

1. Step 1: Write the proportion equation
   51,259,418.20 : 76,943,160.78 = 50,102,650.72 : x
2. Step 2: Convert to fraction form
   51,259,418.20/76,943,160.78 = 50,102,650.72/x
3. Step 3: Cross multiply
   51,259,418.20x = 76,943,160.78 × 50,102,650.72
4. Step 4: Simplify right side
   51,259,418.20x = 3,855,056,309,853,142.50
5. Step 5: Solve for x
   x = 3,855,056,309,853,142.50/51,259,418.20
6. Step 6: Final answer
   x = 75,206,790.19