Finding the Fourth Proportional to 16,189.88, 22,348.28 and 12,654.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,189.88 : 22,348.28 = 12,654.24 : x
2. Step 2: Convert to fraction form
   16,189.88/22,348.28 = 12,654.24/x
3. Step 3: Cross multiply
   16,189.88x = 22,348.28 × 12,654.24
4. Step 4: Simplify right side
   16,189.88x = 282,800,498.71
5. Step 5: Solve for x
   x = 282,800,498.71/16,189.88
6. Step 6: Final answer
   x = 17,467.73