Finding the Fourth Proportional to 16,801.29, 25,142.47 and 14,488.53

Step by Step Solution

1. Step 1: Write the proportion equation
   16,801.29 : 25,142.47 = 14,488.53 : x
2. Step 2: Convert to fraction form
   16,801.29/25,142.47 = 14,488.53/x
3. Step 3: Cross multiply
   16,801.29x = 25,142.47 × 14,488.53
4. Step 4: Simplify right side
   16,801.29x = 364,277,507.71
5. Step 5: Solve for x
   x = 364,277,507.71/16,801.29
6. Step 6: Final answer
   x = 21,681.53