Finding the Fourth Proportional to 30,861.69, 42,589.17 and 16,714.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,861.69 : 42,589.17 = 16,714.50 : x
2. Step 2: Convert to fraction form
   30,861.69/42,589.17 = 16,714.50/x
3. Step 3: Cross multiply
   30,861.69x = 42,589.17 × 16,714.50
4. Step 4: Simplify right side
   30,861.69x = 711,856,681.97
5. Step 5: Solve for x
   x = 711,856,681.97/30,861.69
6. Step 6: Final answer
   x = 23,066.03