Finding the Fourth Proportional to 30,861.89, 42,589.32 and 16,714.70

Step by Step Solution

1. Step 1: Write the proportion equation
   30,861.89 : 42,589.32 = 16,714.70 : x
2. Step 2: Convert to fraction form
   30,861.89/42,589.32 = 16,714.70/x
3. Step 3: Cross multiply
   30,861.89x = 42,589.32 × 16,714.70
4. Step 4: Simplify right side
   30,861.89x = 711,867,707.00
5. Step 5: Solve for x
   x = 711,867,707.00/30,861.89
6. Step 6: Final answer
   x = 23,066.24