Finding the Fourth Proportional to 22,141.27, 33,217.77 and 12,764.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,141.27 : 33,217.77 = 12,764.42 : x
2. Step 2: Convert to fraction form
   22,141.27/33,217.77 = 12,764.42/x
3. Step 3: Cross multiply
   22,141.27x = 33,217.77 × 12,764.42
4. Step 4: Simplify right side
   22,141.27x = 424,005,401.65
5. Step 5: Solve for x
   x = 424,005,401.65/22,141.27
6. Step 6: Final answer
   x = 19,150.01