Finding the Fourth Proportional to 30,940.99, 42,698.61 and 16,793.87

Step by Step Solution

1. Step 1: Write the proportion equation
   30,940.99 : 42,698.61 = 16,793.87 : x
2. Step 2: Convert to fraction form
   30,940.99/42,698.61 = 16,793.87/x
3. Step 3: Cross multiply
   30,940.99x = 42,698.61 × 16,793.87
4. Step 4: Simplify right side
   30,940.99x = 717,074,692.03
5. Step 5: Solve for x
   x = 717,074,692.03/30,940.99
6. Step 6: Final answer
   x = 23,175.56