Finding the Fourth Proportional to 16,843.55, 23,244.24 and 9,290.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,843.55 : 23,244.24 = 9,290.18 : x
2. Step 2: Convert to fraction form
   16,843.55/23,244.24 = 9,290.18/x
3. Step 3: Cross multiply
   16,843.55x = 23,244.24 × 9,290.18
4. Step 4: Simplify right side
   16,843.55x = 215,943,057.34
5. Step 5: Solve for x
   x = 215,943,057.34/16,843.55
6. Step 6: Final answer
   x = 12,820.52