Finding the Fourth Proportional to 30,983.34, 42,757.50 and 16,836.18

Step by Step Solution

1. Step 1: Write the proportion equation
   30,983.34 : 42,757.50 = 16,836.18 : x
2. Step 2: Convert to fraction form
   30,983.34/42,757.50 = 16,836.18/x
3. Step 3: Cross multiply
   30,983.34x = 42,757.50 × 16,836.18
4. Step 4: Simplify right side
   30,983.34x = 719,872,966.35
5. Step 5: Solve for x
   x = 719,872,966.35/30,983.34
6. Step 6: Final answer
   x = 23,234.20