Finding the Fourth Proportional to 22,145.51, 33,223.20 and 8,105.23

Step by Step Solution

1. Step 1: Write the proportion equation
   22,145.51 : 33,223.20 = 8,105.23 : x
2. Step 2: Convert to fraction form
   22,145.51/33,223.20 = 8,105.23/x
3. Step 3: Cross multiply
   22,145.51x = 33,223.20 × 8,105.23
4. Step 4: Simplify right side
   22,145.51x = 269,281,677.34
5. Step 5: Solve for x
   x = 269,281,677.34/22,145.51
6. Step 6: Final answer
   x = 12,159.65