Finding the Fourth Proportional to 50,021.37, 69,050.75 and 31,167.81

Step by Step Solution

1. Step 1: Write the proportion equation
   50,021.37 : 69,050.75 = 31,167.81 : x
2. Step 2: Convert to fraction form
   50,021.37/69,050.75 = 31,167.81/x
3. Step 3: Cross multiply
   50,021.37x = 69,050.75 × 31,167.81
4. Step 4: Simplify right side
   50,021.37x = 2,152,160,500.52
5. Step 5: Solve for x
   x = 2,152,160,500.52/50,021.37
6. Step 6: Final answer
   x = 43,024.82