Finding the Fourth Proportional to 31,573.58, 43,571.90 and 17,426.43

Step by Step Solution

1. Step 1: Write the proportion equation
   31,573.58 : 43,571.90 = 17,426.43 : x
2. Step 2: Convert to fraction form
   31,573.58/43,571.90 = 17,426.43/x
3. Step 3: Cross multiply
   31,573.58x = 43,571.90 × 17,426.43
4. Step 4: Simplify right side
   31,573.58x = 759,302,578.18
5. Step 5: Solve for x
   x = 759,302,578.18/31,573.58
6. Step 6: Final answer
   x = 24,048.67