Finding the Fourth Proportional to 31,723.90, 43,769 and 18,293.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,723.90 : 43,769 = 18,293.34 : x
2. Step 2: Convert to fraction form
   31,723.90/43,769 = 18,293.34/x
3. Step 3: Cross multiply
   31,723.90x = 43,769 × 18,293.34
4. Step 4: Simplify right side
   31,723.90x = 800,681,198.46
5. Step 5: Solve for x
   x = 800,681,198.46/31,723.90
6. Step 6: Final answer
   x = 25,239.05