Finding the Fourth Proportional to 22,131.42, 30,540.61 and 12,059.67

Step by Step Solution

1. Step 1: Write the proportion equation
   22,131.42 : 30,540.61 = 12,059.67 : x
2. Step 2: Convert to fraction form
   22,131.42/30,540.61 = 12,059.67/x
3. Step 3: Cross multiply
   22,131.42x = 30,540.61 × 12,059.67
4. Step 4: Simplify right side
   22,131.42x = 368,309,678.20
5. Step 5: Solve for x
   x = 368,309,678.20/22,131.42
6. Step 6: Final answer
   x = 16,641.94