Finding the Fourth Proportional to 50,796.53, 76,128.56 and 28,306.27

Step by Step Solution

1. Step 1: Write the proportion equation
   50,796.53 : 76,128.56 = 28,306.27 : x
2. Step 2: Convert to fraction form
   50,796.53/76,128.56 = 28,306.27/x
3. Step 3: Cross multiply
   50,796.53x = 76,128.56 × 28,306.27
4. Step 4: Simplify right side
   50,796.53x = 2,154,915,574.07
5. Step 5: Solve for x
   x = 2,154,915,574.07/50,796.53
6. Step 6: Final answer
   x = 42,422.50