Finding the Fourth Proportional to 17,039.76, 25,522.71 and 8,256.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,039.76 : 25,522.71 = 8,256.25 : x
2. Step 2: Convert to fraction form
   17,039.76/25,522.71 = 8,256.25/x
3. Step 3: Cross multiply
   17,039.76x = 25,522.71 × 8,256.25
4. Step 4: Simplify right side
   17,039.76x = 210,721,874.44
5. Step 5: Solve for x
   x = 210,721,874.44/17,039.76
6. Step 6: Final answer
   x = 12,366.48