Finding the Fourth Proportional to 17,109.43, 25,663.91 and 5,422.68

Step by Step Solution

1. Step 1: Write the proportion equation
   17,109.43 : 25,663.91 = 5,422.68 : x
2. Step 2: Convert to fraction form
   17,109.43/25,663.91 = 5,422.68/x
3. Step 3: Cross multiply
   17,109.43x = 25,663.91 × 5,422.68
4. Step 4: Simplify right side
   17,109.43x = 139,167,144.37
5. Step 5: Solve for x
   x = 139,167,144.37/17,109.43
6. Step 6: Final answer
   x = 8,133.95