Finding the Fourth Proportional to 30,863.43, 42,591.83 and 16,716.38

Step by Step Solution

1. Step 1: Write the proportion equation
   30,863.43 : 42,591.83 = 16,716.38 : x
2. Step 2: Convert to fraction form
   30,863.43/42,591.83 = 16,716.38/x
3. Step 3: Cross multiply
   30,863.43x = 42,591.83 × 16,716.38
4. Step 4: Simplify right side
   30,863.43x = 711,980,918.63
5. Step 5: Solve for x
   x = 711,980,918.63/30,863.43
6. Step 6: Final answer
   x = 23,068.76