Finding the Fourth Proportional to 22,371.91, 30,872.58 and 12,300.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,371.91 : 30,872.58 = 12,300.37 : x
2. Step 2: Convert to fraction form
   22,371.91/30,872.58 = 12,300.37/x
3. Step 3: Cross multiply
   22,371.91x = 30,872.58 × 12,300.37
4. Step 4: Simplify right side
   22,371.91x = 379,744,156.85
5. Step 5: Solve for x
   x = 379,744,156.85/22,371.91
6. Step 6: Final answer
   x = 16,974.15