Finding the Fourth Proportional to 30,863.14, 42,591.15 and 16,715.98

Step by Step Solution

1. Step 1: Write the proportion equation
   30,863.14 : 42,591.15 = 16,715.98 : x
2. Step 2: Convert to fraction form
   30,863.14/42,591.15 = 16,715.98/x
3. Step 3: Cross multiply
   30,863.14x = 42,591.15 × 16,715.98
4. Step 4: Simplify right side
   30,863.14x = 711,952,811.58
5. Step 5: Solve for x
   x = 711,952,811.58/30,863.14
6. Step 6: Final answer
   x = 23,068.06