Finding the Fourth Proportional to 30,863.82, 42,592.08 and 16,716.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,863.82 : 42,592.08 = 16,716.72 : x
2. Step 2: Convert to fraction form
   30,863.82/42,592.08 = 16,716.72/x
3. Step 3: Cross multiply
   30,863.82x = 42,592.08 × 16,716.72
4. Step 4: Simplify right side
   30,863.82x = 711,999,875.58
5. Step 5: Solve for x
   x = 711,999,875.58/30,863.82
6. Step 6: Final answer
   x = 23,069.08