Finding the Fourth Proportional to 16,843.74, 23,244.54 and 9,290.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,843.74 : 23,244.54 = 9,290.38 : x
2. Step 2: Convert to fraction form
   16,843.74/23,244.54 = 9,290.38/x
3. Step 3: Cross multiply
   16,843.74x = 23,244.54 × 9,290.38
4. Step 4: Simplify right side
   16,843.74x = 215,950,609.53
5. Step 5: Solve for x
   x = 215,950,609.53/16,843.74
6. Step 6: Final answer
   x = 12,820.82