Finding the Fourth Proportional to 16,488.04, 22,754.61 and 9,315.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,488.04 : 22,754.61 = 9,315.47 : x
2. Step 2: Convert to fraction form
   16,488.04/22,754.61 = 9,315.47/x
3. Step 3: Cross multiply
   16,488.04x = 22,754.61 × 9,315.47
4. Step 4: Simplify right side
   16,488.04x = 211,969,773.04
5. Step 5: Solve for x
   x = 211,969,773.04/16,488.04
6. Step 6: Final answer
   x = 12,855.97