Finding the Fourth Proportional to 50,618.12, 69,849.92 and 30,481.52

Step by Step Solution

1. Step 1: Write the proportion equation
   50,618.12 : 69,849.92 = 30,481.52 : x
2. Step 2: Convert to fraction form
   50,618.12/69,849.92 = 30,481.52/x
3. Step 3: Cross multiply
   50,618.12x = 69,849.92 × 30,481.52
4. Step 4: Simplify right side
   50,618.12x = 2,129,131,733.48
5. Step 5: Solve for x
   x = 2,129,131,733.48/50,618.12
6. Step 6: Final answer
   x = 42,062.64