Finding the Fourth Proportional to 50,978.76, 76,010.97 and 49,028.28

Step by Step Solution

1. Step 1: Write the proportion equation
   50,978.76 : 76,010.97 = 49,028.28 : x
2. Step 2: Convert to fraction form
   50,978.76/76,010.97 = 49,028.28/x
3. Step 3: Cross multiply
   50,978.76x = 76,010.97 × 49,028.28
4. Step 4: Simplify right side
   50,978.76x = 3,726,687,120.23
5. Step 5: Solve for x
   x = 3,726,687,120.23/50,978.76
6. Step 6: Final answer
   x = 73,102.74