Finding the Fourth Proportional to 50,522.54, 69,722.67 and 31,145.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,522.54 : 69,722.67 = 31,145.72 : x
2. Step 2: Convert to fraction form
   50,522.54/69,722.67 = 31,145.72/x
3. Step 3: Cross multiply
   50,522.54x = 69,722.67 × 31,145.72
4. Step 4: Simplify right side
   50,522.54x = 2,171,562,525.66
5. Step 5: Solve for x
   x = 2,171,562,525.66/50,522.54
6. Step 6: Final answer
   x = 42,982.06