Finding the Fourth Proportional to 30,842.57, 42,562.77 and 16,695.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,842.57 : 42,562.77 = 16,695.42 : x
2. Step 2: Convert to fraction form
   30,842.57/42,562.77 = 16,695.42/x
3. Step 3: Cross multiply
   30,842.57x = 42,562.77 × 16,695.42
4. Step 4: Simplify right side
   30,842.57x = 710,603,099.30
5. Step 5: Solve for x
   x = 710,603,099.30/30,842.57
6. Step 6: Final answer
   x = 23,039.68