Finding the Fourth Proportional to 31,939.56, 44,022.54 and 21,850.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,939.56 : 44,022.54 = 21,850.59 : x
2. Step 2: Convert to fraction form
   31,939.56/44,022.54 = 21,850.59/x
3. Step 3: Cross multiply
   31,939.56x = 44,022.54 × 21,850.59
4. Step 4: Simplify right side
   31,939.56x = 961,918,472.30
5. Step 5: Solve for x
   x = 961,918,472.30/31,939.56
6. Step 6: Final answer
   x = 30,116.84