Finding the Fourth Proportional to 16,418.01, 22,654.56 and 9,246.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,418.01 : 22,654.56 = 9,246.72 : x
2. Step 2: Convert to fraction form
   16,418.01/22,654.56 = 9,246.72/x
3. Step 3: Cross multiply
   16,418.01x = 22,654.56 × 9,246.72
4. Step 4: Simplify right side
   16,418.01x = 209,480,373.04
5. Step 5: Solve for x
   x = 209,480,373.04/16,418.01
6. Step 6: Final answer
   x = 12,759.18