Finding the Fourth Proportional to 31,744, 43,806.72 and 18,498.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,744 : 43,806.72 = 18,498.56 : x
2. Step 2: Convert to fraction form
   31,744/43,806.72 = 18,498.56/x
3. Step 3: Cross multiply
   31,744x = 43,806.72 × 18,498.56
4. Step 4: Simplify right side
   31,744x = 810,361,238.32
5. Step 5: Solve for x
   x = 810,361,238.32/31,744
6. Step 6: Final answer
   x = 25,528.01