Finding the Fourth Proportional to 50,390.83, 69,542.22 and 28,884.16

Step by Step Solution

1. Step 1: Write the proportion equation
   50,390.83 : 69,542.22 = 28,884.16 : x
2. Step 2: Convert to fraction form
   50,390.83/69,542.22 = 28,884.16/x
3. Step 3: Cross multiply
   50,390.83x = 69,542.22 × 28,884.16
4. Step 4: Simplify right side
   50,390.83x = 2,008,668,189.31
5. Step 5: Solve for x
   x = 2,008,668,189.31/50,390.83
6. Step 6: Final answer
   x = 39,861.78