Finding the Fourth Proportional to 22,031.91, 30,404.16 and 11,960.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,031.91 : 30,404.16 = 11,960.37 : x
2. Step 2: Convert to fraction form
   22,031.91/30,404.16 = 11,960.37/x
3. Step 3: Cross multiply
   22,031.91x = 30,404.16 × 11,960.37
4. Step 4: Simplify right side
   22,031.91x = 363,645,003.14
5. Step 5: Solve for x
   x = 363,645,003.14/22,031.91
6. Step 6: Final answer
   x = 16,505.38