Finding the Fourth Proportional to 17,038.69, 25,557.42 and 8,271.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,038.69 : 25,557.42 = 8,271.25 : x
2. Step 2: Convert to fraction form
   17,038.69/25,557.42 = 8,271.25/x
3. Step 3: Cross multiply
   17,038.69x = 25,557.42 × 8,271.25
4. Step 4: Simplify right side
   17,038.69x = 211,391,810.18
5. Step 5: Solve for x
   x = 211,391,810.18/17,038.69
6. Step 6: Final answer
   x = 12,406.58