Finding the Fourth Proportional to 16,902.27, 25,357.55 and 5,809.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,902.27 : 25,357.55 = 5,809.12 : x
2. Step 2: Convert to fraction form
   16,902.27/25,357.55 = 5,809.12/x
3. Step 3: Cross multiply
   16,902.27x = 25,357.55 × 5,809.12
4. Step 4: Simplify right side
   16,902.27x = 147,304,958.42
5. Step 5: Solve for x
   x = 147,304,958.42/16,902.27
6. Step 6: Final answer
   x = 8,715.10