Finding the Fourth Proportional to 22,131.35, 30,540.87 and 12,059.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,131.35 : 30,540.87 = 12,059.88 : x
2. Step 2: Convert to fraction form
   22,131.35/30,540.87 = 12,059.88/x
3. Step 3: Cross multiply
   22,131.35x = 30,540.87 × 12,059.88
4. Step 4: Simplify right side
   22,131.35x = 368,319,227.30
5. Step 5: Solve for x
   x = 368,319,227.30/22,131.35
6. Step 6: Final answer
   x = 16,642.42