Finding the Fourth Proportional to 31,843.82, 43,943.53 and 18,231.41

Step by Step Solution

1. Step 1: Write the proportion equation
   31,843.82 : 43,943.53 = 18,231.41 : x
2. Step 2: Convert to fraction form
   31,843.82/43,943.53 = 18,231.41/x
3. Step 3: Cross multiply
   31,843.82x = 43,943.53 × 18,231.41
4. Step 4: Simplify right side
   31,843.82x = 801,152,664.98
5. Step 5: Solve for x
   x = 801,152,664.98/31,843.82
6. Step 6: Final answer
   x = 25,158.81