Finding the Fourth Proportional to 31,667.50, 43,697.37 and 17,518.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,667.50 : 43,697.37 = 17,518.42 : x
2. Step 2: Convert to fraction form
   31,667.50/43,697.37 = 17,518.42/x
3. Step 3: Cross multiply
   31,667.50x = 43,697.37 × 17,518.42
4. Step 4: Simplify right side
   31,667.50x = 765,508,880.56
5. Step 5: Solve for x
   x = 765,508,880.56/31,667.50
6. Step 6: Final answer
   x = 24,173.33