Finding the Fourth Proportional to 50,577.28, 69,799.68 and 28,222.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,577.28 : 69,799.68 = 28,222.72 : x
2. Step 2: Convert to fraction form
   50,577.28/69,799.68 = 28,222.72/x
3. Step 3: Cross multiply
   50,577.28x = 69,799.68 × 28,222.72
4. Step 4: Simplify right side
   50,577.28x = 1,969,936,824.73
5. Step 5: Solve for x
   x = 1,969,936,824.73/50,577.28
6. Step 6: Final answer
   x = 38,949.05