Finding the Fourth Proportional to 30,874.88, 42,607.37 and 16,727.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,874.88 : 42,607.37 = 16,727.72 : x
2. Step 2: Convert to fraction form
   30,874.88/42,607.37 = 16,727.72/x
3. Step 3: Cross multiply
   30,874.88x = 42,607.37 × 16,727.72
4. Step 4: Simplify right side
   30,874.88x = 712,724,155.30
5. Step 5: Solve for x
   x = 712,724,155.30/30,874.88
6. Step 6: Final answer
   x = 23,084.28