Finding the Fourth Proportional to 17,012.30, 25,481.52 and 8,228.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,012.30 : 25,481.52 = 8,228.78 : x
2. Step 2: Convert to fraction form
   17,012.30/25,481.52 = 8,228.78/x
3. Step 3: Cross multiply
   17,012.30x = 25,481.52 × 8,228.78
4. Step 4: Simplify right side
   17,012.30x = 209,681,822.15
5. Step 5: Solve for x
   x = 209,681,822.15/17,012.30
6. Step 6: Final answer
   x = 12,325.31