Finding the Fourth Proportional to 50,644.90, 69,891.69 and 31,792.42

Step by Step Solution

1. Step 1: Write the proportion equation
   50,644.90 : 69,891.69 = 31,792.42 : x
2. Step 2: Convert to fraction form
   50,644.90/69,891.69 = 31,792.42/x
3. Step 3: Cross multiply
   50,644.90x = 69,891.69 × 31,792.42
4. Step 4: Simplify right side
   50,644.90x = 2,222,025,962.99
5. Step 5: Solve for x
   x = 2,222,025,962.99/50,644.90
6. Step 6: Final answer
   x = 43,874.62