Finding the Fourth Proportional to 50,468, 69,648.24 and 28,112

Step by Step Solution

1. Step 1: Write the proportion equation
   50,468 : 69,648.24 = 28,112 : x
2. Step 2: Convert to fraction form
   50,468/69,648.24 = 28,112/x
3. Step 3: Cross multiply
   50,468x = 69,648.24 × 28,112
4. Step 4: Simplify right side
   50,468x = 1,957,951,322.88
5. Step 5: Solve for x
   x = 1,957,951,322.88/50,468
6. Step 6: Final answer
   x = 38,795.90