Finding the Fourth Proportional to 17,137.98, 25,716.69 and 7,276.23

Step by Step Solution

1. Step 1: Write the proportion equation
   17,137.98 : 25,716.69 = 7,276.23 : x
2. Step 2: Convert to fraction form
   17,137.98/25,716.69 = 7,276.23/x
3. Step 3: Cross multiply
   17,137.98x = 25,716.69 × 7,276.23
4. Step 4: Simplify right side
   17,137.98x = 187,120,551.28
5. Step 5: Solve for x
   x = 187,120,551.28/17,137.98
6. Step 6: Final answer
   x = 10,918.47