Finding the Fourth Proportional to 50,211.46, 69,259.92 and 30,821.86

Step by Step Solution

1. Step 1: Write the proportion equation
   50,211.46 : 69,259.92 = 30,821.86 : x
2. Step 2: Convert to fraction form
   50,211.46/69,259.92 = 30,821.86/x
3. Step 3: Cross multiply
   50,211.46x = 69,259.92 × 30,821.86
4. Step 4: Simplify right side
   50,211.46x = 2,134,719,557.85
5. Step 5: Solve for x
   x = 2,134,719,557.85/50,211.46
6. Step 6: Final answer
   x = 42,514.59