Finding the Fourth Proportional to 16,899.57, 25,348.43 and 5,805.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,899.57 : 25,348.43 = 5,805.09 : x
2. Step 2: Convert to fraction form
   16,899.57/25,348.43 = 5,805.09/x
3. Step 3: Cross multiply
   16,899.57x = 25,348.43 × 5,805.09
4. Step 4: Simplify right side
   16,899.57x = 147,149,932.02
5. Step 5: Solve for x
   x = 147,149,932.02/16,899.57
6. Step 6: Final answer
   x = 8,707.32