Finding the Fourth Proportional to 31,674.47, 43,711.94 and 20,496.47

Step by Step Solution

1. Step 1: Write the proportion equation
   31,674.47 : 43,711.94 = 20,496.47 : x
2. Step 2: Convert to fraction form
   31,674.47/43,711.94 = 20,496.47/x
3. Step 3: Cross multiply
   31,674.47x = 43,711.94 × 20,496.47
4. Step 4: Simplify right side
   31,674.47x = 895,940,364.37
5. Step 5: Solve for x
   x = 895,940,364.37/31,674.47
6. Step 6: Final answer
   x = 28,285.88