Finding the Fourth Proportional to 17,172.52, 25,754.73 and 4,689.57

Step by Step Solution

1. Step 1: Write the proportion equation
   17,172.52 : 25,754.73 = 4,689.57 : x
2. Step 2: Convert to fraction form
   17,172.52/25,754.73 = 4,689.57/x
3. Step 3: Cross multiply
   17,172.52x = 25,754.73 × 4,689.57
4. Step 4: Simplify right side
   17,172.52x = 120,778,585.72
5. Step 5: Solve for x
   x = 120,778,585.72/17,172.52
6. Step 6: Final answer
   x = 7,033.25