Finding the Fourth Proportional to 16,997.97, 25,505.31 and 7,644.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,997.97 : 25,505.31 = 7,644.59 : x
2. Step 2: Convert to fraction form
   16,997.97/25,505.31 = 7,644.59/x
3. Step 3: Cross multiply
   16,997.97x = 25,505.31 × 7,644.59
4. Step 4: Simplify right side
   16,997.97x = 194,977,778.03
5. Step 5: Solve for x
   x = 194,977,778.03/16,997.97
6. Step 6: Final answer
   x = 11,470.65