Finding the Fourth Proportional to 30,845.57, 42,566.91 and 16,698.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,845.57 : 42,566.91 = 16,698.42 : x
2. Step 2: Convert to fraction form
   30,845.57/42,566.91 = 16,698.42/x
3. Step 3: Cross multiply
   30,845.57x = 42,566.91 × 16,698.42
4. Step 4: Simplify right side
   30,845.57x = 710,800,141.28
5. Step 5: Solve for x
   x = 710,800,141.28/30,845.57
6. Step 6: Final answer
   x = 23,043.83