Finding the Fourth Proportional to 50,147.96, 69,211.28 and 31,033.89

Step by Step Solution

1. Step 1: Write the proportion equation
   50,147.96 : 69,211.28 = 31,033.89 : x
2. Step 2: Convert to fraction form
   50,147.96/69,211.28 = 31,033.89/x
3. Step 3: Cross multiply
   50,147.96x = 69,211.28 × 31,033.89
4. Step 4: Simplify right side
   50,147.96x = 2,147,895,587.41
5. Step 5: Solve for x
   x = 2,147,895,587.41/50,147.96
6. Step 6: Final answer
   x = 42,831.16