Finding the Fourth Proportional to 50,714.72, 76,004.16 and 28,517.12

Step by Step Solution

1. Step 1: Write the proportion equation
   50,714.72 : 76,004.16 = 28,517.12 : x
2. Step 2: Convert to fraction form
   50,714.72/76,004.16 = 28,517.12/x
3. Step 3: Cross multiply
   50,714.72x = 76,004.16 × 28,517.12
4. Step 4: Simplify right side
   50,714.72x = 2,167,419,751.22
5. Step 5: Solve for x
   x = 2,167,419,751.22/50,714.72
6. Step 6: Final answer
   x = 42,737.49