Finding the Fourth Proportional to 16,296.30, 22,487.56 and 9,582.21

Step by Step Solution

1. Step 1: Write the proportion equation
   16,296.30 : 22,487.56 = 9,582.21 : x
2. Step 2: Convert to fraction form
   16,296.30/22,487.56 = 9,582.21/x
3. Step 3: Cross multiply
   16,296.30x = 22,487.56 × 9,582.21
4. Step 4: Simplify right side
   16,296.30x = 215,480,498.35
5. Step 5: Solve for x
   x = 215,480,498.35/16,296.30
6. Step 6: Final answer
   x = 13,222.66