Finding the Fourth Proportional to 31,940.56, 44,023.92 and 21,851.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,940.56 : 44,023.92 = 21,851.59 : x
2. Step 2: Convert to fraction form
   31,940.56/44,023.92 = 21,851.59/x
3. Step 3: Cross multiply
   31,940.56x = 44,023.92 × 21,851.59
4. Step 4: Simplify right side
   31,940.56x = 961,992,650.03
5. Step 5: Solve for x
   x = 961,992,650.03/31,940.56
6. Step 6: Final answer
   x = 30,118.21