Finding the Fourth Proportional to 16,843.48, 23,244.15 and 9,290.07

Step by Step Solution

1. Step 1: Write the proportion equation
   16,843.48 : 23,244.15 = 9,290.07 : x
2. Step 2: Convert to fraction form
   16,843.48/23,244.15 = 9,290.07/x
3. Step 3: Cross multiply
   16,843.48x = 23,244.15 × 9,290.07
4. Step 4: Simplify right side
   16,843.48x = 215,939,697.80
5. Step 5: Solve for x
   x = 215,939,697.80/16,843.48
6. Step 6: Final answer
   x = 12,820.37