Finding the Fourth Proportional to 16,918.52, 23,342.18 and 9,843.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,918.52 : 23,342.18 = 9,843.57 : x
2. Step 2: Convert to fraction form
   16,918.52/23,342.18 = 9,843.57/x
3. Step 3: Cross multiply
   16,918.52x = 23,342.18 × 9,843.57
4. Step 4: Simplify right side
   16,918.52x = 229,770,407.39
5. Step 5: Solve for x
   x = 229,770,407.39/16,918.52
6. Step 6: Final answer
   x = 13,581.00