Finding the Fourth Proportional to 22,128.59, 33,199.04 and 9,649.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,128.59 : 33,199.04 = 9,649.71 : x
2. Step 2: Convert to fraction form
   22,128.59/33,199.04 = 9,649.71/x
3. Step 3: Cross multiply
   22,128.59x = 33,199.04 × 9,649.71
4. Step 4: Simplify right side
   22,128.59x = 320,361,011.89
5. Step 5: Solve for x
   x = 320,361,011.89/22,128.59
6. Step 6: Final answer
   x = 14,477.24