Finding the Fourth Proportional to 31,833.29, 43,936.56 and 18,402.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,833.29 : 43,936.56 = 18,402.68 : x
2. Step 2: Convert to fraction form
   31,833.29/43,936.56 = 18,402.68/x
3. Step 3: Cross multiply
   31,833.29x = 43,936.56 × 18,402.68
4. Step 4: Simplify right side
   31,833.29x = 808,550,453.98
5. Step 5: Solve for x
   x = 808,550,453.98/31,833.29
6. Step 6: Final answer
   x = 25,399.53