Finding the Fourth Proportional to 30,874.72, 42,607.15 and 16,727.57

Step by Step Solution

1. Step 1: Write the proportion equation
   30,874.72 : 42,607.15 = 16,727.57 : x
2. Step 2: Convert to fraction form
   30,874.72/42,607.15 = 16,727.57/x
3. Step 3: Cross multiply
   30,874.72x = 42,607.15 × 16,727.57
4. Step 4: Simplify right side
   30,874.72x = 712,713,871.09
5. Step 5: Solve for x
   x = 712,713,871.09/30,874.72
6. Step 6: Final answer
   x = 23,084.06