Finding the Fourth Proportional to 16,805.32, 25,205.82 and 5,711.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,805.32 : 25,205.82 = 5,711.56 : x
2. Step 2: Convert to fraction form
   16,805.32/25,205.82 = 5,711.56/x
3. Step 3: Cross multiply
   16,805.32x = 25,205.82 × 5,711.56
4. Step 4: Simplify right side
   16,805.32x = 143,964,553.28
5. Step 5: Solve for x
   x = 143,964,553.28/16,805.32
6. Step 6: Final answer
   x = 8,566.61