Finding the Fourth Proportional to 12,475.74, 17,216.52 and 7,171.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,475.74 : 17,216.52 = 7,171.59 : x
2. Step 2: Convert to fraction form
   12,475.74/17,216.52 = 7,171.59/x
3. Step 3: Cross multiply
   12,475.74x = 17,216.52 × 7,171.59
4. Step 4: Simplify right side
   12,475.74x = 123,469,822.67
5. Step 5: Solve for x
   x = 123,469,822.67/12,475.74
6. Step 6: Final answer
   x = 9,896.79