Finding the Fourth Proportional to 30,843.88, 42,564.86 and 16,697

Step by Step Solution

1. Step 1: Write the proportion equation
   30,843.88 : 42,564.86 = 16,697 : x
2. Step 2: Convert to fraction form
   30,843.88/42,564.86 = 16,697/x
3. Step 3: Cross multiply
   30,843.88x = 42,564.86 × 16,697
4. Step 4: Simplify right side
   30,843.88x = 710,705,467.42
5. Step 5: Solve for x
   x = 710,705,467.42/30,843.88
6. Step 6: Final answer
   x = 23,042.03