Finding the Fourth Proportional to 30,823.61, 42,536.52 and 16,676.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,823.61 : 42,536.52 = 16,676.42 : x
2. Step 2: Convert to fraction form
   30,823.61/42,536.52 = 16,676.42/x
3. Step 3: Cross multiply
   30,823.61x = 42,536.52 × 16,676.42
4. Step 4: Simplify right side
   30,823.61x = 709,356,660.18
5. Step 5: Solve for x
   x = 709,356,660.18/30,823.61
6. Step 6: Final answer
   x = 23,013.42