Finding the Fourth Proportional to 30,814.50, 42,523.97 and 16,667.34

Step by Step Solution

1. Step 1: Write the proportion equation
   30,814.50 : 42,523.97 = 16,667.34 : x
2. Step 2: Convert to fraction form
   30,814.50/42,523.97 = 16,667.34/x
3. Step 3: Cross multiply
   30,814.50x = 42,523.97 × 16,667.34
4. Step 4: Simplify right side
   30,814.50x = 708,761,466.14
5. Step 5: Solve for x
   x = 708,761,466.14/30,814.50
6. Step 6: Final answer
   x = 23,000.91