Finding the Fourth Proportional to 31,743.45, 43,806.42 and 17,404.65

Step by Step Solution

1. Step 1: Write the proportion equation
   31,743.45 : 43,806.42 = 17,404.65 : x
2. Step 2: Convert to fraction form
   31,743.45/43,806.42 = 17,404.65/x
3. Step 3: Cross multiply
   31,743.45x = 43,806.42 × 17,404.65
4. Step 4: Simplify right side
   31,743.45x = 762,435,407.85
5. Step 5: Solve for x
   x = 762,435,407.85/31,743.45
6. Step 6: Final answer
   x = 24,018.67