Finding the Fourth Proportional to 30,801, 42,505.50 and 16,653.96

Step by Step Solution

1. Step 1: Write the proportion equation
   30,801 : 42,505.50 = 16,653.96 : x
2. Step 2: Convert to fraction form
   30,801/42,505.50 = 16,653.96/x
3. Step 3: Cross multiply
   30,801x = 42,505.50 × 16,653.96
4. Step 4: Simplify right side
   30,801x = 707,884,896.78
5. Step 5: Solve for x
   x = 707,884,896.78/30,801
6. Step 6: Final answer
   x = 22,982.53