Finding the Fourth Proportional to 17,116.42, 25,668.15 and 6,722.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,116.42 : 25,668.15 = 6,722.50 : x
2. Step 2: Convert to fraction form
   17,116.42/25,668.15 = 6,722.50/x
3. Step 3: Cross multiply
   17,116.42x = 25,668.15 × 6,722.50
4. Step 4: Simplify right side
   17,116.42x = 172,554,138.38
5. Step 5: Solve for x
   x = 172,554,138.38/17,116.42
6. Step 6: Final answer
   x = 10,081.20