Finding the Fourth Proportional to 30,845.57, 42,566.90 and 16,698.41

Step by Step Solution

1. Step 1: Write the proportion equation
   30,845.57 : 42,566.90 = 16,698.41 : x
2. Step 2: Convert to fraction form
   30,845.57/42,566.90 = 16,698.41/x
3. Step 3: Cross multiply
   30,845.57x = 42,566.90 × 16,698.41
4. Step 4: Simplify right side
   30,845.57x = 710,799,745.30
5. Step 5: Solve for x
   x = 710,799,745.30/30,845.57
6. Step 6: Final answer
   x = 23,043.82