Finding the Fourth Proportional to 30,861.92, 42,589.41 and 16,714.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,861.92 : 42,589.41 = 16,714.82 : x
2. Step 2: Convert to fraction form
   30,861.92/42,589.41 = 16,714.82/x
3. Step 3: Cross multiply
   30,861.92x = 42,589.41 × 16,714.82
4. Step 4: Simplify right side
   30,861.92x = 711,874,322.06
5. Step 5: Solve for x
   x = 711,874,322.06/30,861.92
6. Step 6: Final answer
   x = 23,066.43