Finding the Fourth Proportional to 12,042.58, 16,613.49 and 9,243.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,042.58 : 16,613.49 = 9,243.22 : x
2. Step 2: Convert to fraction form
   12,042.58/16,613.49 = 9,243.22/x
3. Step 3: Cross multiply
   12,042.58x = 16,613.49 × 9,243.22
4. Step 4: Simplify right side
   12,042.58x = 153,562,143.04
5. Step 5: Solve for x
   x = 153,562,143.04/12,042.58
6. Step 6: Final answer
   x = 12,751.60