Finding the Fourth Proportional to 67,086.72, 100,633.53 and 17,167.26

Step by Step Solution

1. Step 1: Write the proportion equation
   67,086.72 : 100,633.53 = 17,167.26 : x
2. Step 2: Convert to fraction form
   67,086.72/100,633.53 = 17,167.26/x
3. Step 3: Cross multiply
   67,086.72x = 100,633.53 × 17,167.26
4. Step 4: Simplify right side
   67,086.72x = 1,727,601,974.23
5. Step 5: Solve for x
   x = 1,727,601,974.23/67,086.72
6. Step 6: Final answer
   x = 25,751.77