Finding the Fourth Proportional to 50,171.52, 69,231.06 and 28,957.80

Step by Step Solution

1. Step 1: Write the proportion equation
   50,171.52 : 69,231.06 = 28,957.80 : x
2. Step 2: Convert to fraction form
   50,171.52/69,231.06 = 28,957.80/x
3. Step 3: Cross multiply
   50,171.52x = 69,231.06 × 28,957.80
4. Step 4: Simplify right side
   50,171.52x = 2,004,779,189.27
5. Step 5: Solve for x
   x = 2,004,779,189.27/50,171.52
6. Step 6: Final answer
   x = 39,958.51